Error message

  • Warning: Undefined array key 3 in greenforum_main_preprocess_html() (line 603 of themes/custom/greenforum_main/greenforum_main.theme).
    greenforum_main_preprocess_html(Array, 'html', Array)
    call_user_func_array('greenforum_main_preprocess_html', Array) (Line: 261)
    Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 158)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
    Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 193)
    Drupal\cleantalk\EventSubscriber\BootSubscriber->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
    Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
    
  • Warning: Attempt to read property "field_archive" on null in greenforum_main_preprocess_html() (line 1013 of themes/custom/greenforum_main/greenforum_main.theme).
    greenforum_main_preprocess_html(Array, 'html', Array)
    call_user_func_array('greenforum_main_preprocess_html', Array) (Line: 261)
    Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 158)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
    Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 193)
    Drupal\cleantalk\EventSubscriber\BootSubscriber->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
    Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
    
  • Warning: Attempt to read property "value" on null in greenforum_main_preprocess_html() (line 1013 of themes/custom/greenforum_main/greenforum_main.theme).
    greenforum_main_preprocess_html(Array, 'html', Array)
    call_user_func_array('greenforum_main_preprocess_html', Array) (Line: 261)
    Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 158)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
    Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 193)
    Drupal\cleantalk\EventSubscriber\BootSubscriber->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
    Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
    
  • Warning: Undefined array key 3 in greenforum_main_preprocess_page() (line 2147 of themes/custom/greenforum_main/greenforum_main.theme).
    greenforum_main_preprocess_page(Array, 'page', Array)
    call_user_func_array('greenforum_main_preprocess_page', Array) (Line: 261)
    Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 475)
    Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 106)
    __TwigTemplate_115aaa0110147dd4b8dda6c26b6830ee->doDisplay(Array, Array) (Line: 360)
    Twig\Template->yield(Array) (Line: 335)
    Twig\Template->render(Array) (Line: 38)
    Twig\TemplateWrapper->render(Array) (Line: 39)
    twig_render_template('themes/custom/greenforum_main/templates/system/html.html.twig', Array) (Line: 348)
    Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 158)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
    Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 193)
    Drupal\cleantalk\EventSubscriber\BootSubscriber->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
    Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
    
  • Warning: bulk_taxonomy_update_views_pre_view(): Argument #2 ($display_id) must be passed by reference, value given in Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}() (line 409 of core/lib/Drupal/Core/Extension/ModuleHandler.php).
    Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}(Object, 'bulk_taxonomy_update') (Line: 388)
    Drupal\Core\Extension\ModuleHandler->invokeAllWith('views_pre_view', Object) (Line: 408)
    Drupal\Core\Extension\ModuleHandler->invokeAll('views_pre_view', Array) (Line: 1701)
    Drupal\views\ViewExecutable->preExecute(Array) (Line: 1642)
    Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
    Drupal\views\Element\View::preRenderViewElement(Array) (Line: 61)
    Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 171)
    Drupal\block\BlockViewBuilder::preRender(Array)
    call_user_func_array('Drupal\block\BlockViewBuilder::preRender', Array) (Line: 111)
    Drupal\Core\Render\Renderer->doTrustedCallback('Drupal\block\BlockViewBuilder::preRender', Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 859)
    Drupal\Core\Render\Renderer->doCallback('#pre_render', 'Drupal\block\BlockViewBuilder::preRender', Array) (Line: 421)
    Drupal\Core\Render\Renderer->doRender(Array) (Line: 493)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 475)
    Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 117)
    __TwigTemplate_982ff36c8c67ab0a6d726b70893b30b2->doDisplay(Array, Array) (Line: 360)
    Twig\Template->yield(Array) (Line: 335)
    Twig\Template->render(Array) (Line: 38)
    Twig\TemplateWrapper->render(Array) (Line: 39)
    twig_render_template('themes/custom/greenforum_main/templates/layout/page.html.twig', Array) (Line: 348)
    Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 475)
    Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 106)
    __TwigTemplate_115aaa0110147dd4b8dda6c26b6830ee->doDisplay(Array, Array) (Line: 360)
    Twig\Template->yield(Array) (Line: 335)
    Twig\Template->render(Array) (Line: 38)
    Twig\TemplateWrapper->render(Array) (Line: 39)
    twig_render_template('themes/custom/greenforum_main/templates/system/html.html.twig', Array) (Line: 348)
    Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 158)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
    Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 193)
    Drupal\cleantalk\EventSubscriber\BootSubscriber->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
    Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
    
  • Warning: Undefined array key "type" in Drupal\views\Plugin\views\query\Sql->buildCondition() (line 1146 of core/modules/views/src/Plugin/views/query/Sql.php).
    Drupal\views\Plugin\views\query\Sql->buildCondition('where') (Line: 1416)
    Drupal\views\Plugin\views\query\Sql->query() (Line: 1469)
    Drupal\views\Plugin\views\query\Sql->build(Object) (Line: 280)
    group_views_query_alter(Object, Object)
    call_user_func_array(Object, Array) (Line: 409)
    Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}(Object, 'group') (Line: 388)
    Drupal\Core\Extension\ModuleHandler->invokeAllWith('views_query_alter', Object) (Line: 408)
    Drupal\Core\Extension\ModuleHandler->invokeAll('views_query_alter', Array) (Line: 1449)
    Drupal\views\Plugin\views\query\Sql->alter(Object) (Line: 1331)
    Drupal\views\ViewExecutable->build(NULL) (Line: 1406)
    Drupal\views\ViewExecutable->execute(NULL) (Line: 1469)
    Drupal\views\ViewExecutable->render() (Line: 131)
    Drupal\views\Plugin\views\display\Block->execute() (Line: 1645)
    Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
    Drupal\views\Element\View::preRenderViewElement(Array) (Line: 61)
    Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 171)
    Drupal\block\BlockViewBuilder::preRender(Array)
    call_user_func_array('Drupal\block\BlockViewBuilder::preRender', Array) (Line: 111)
    Drupal\Core\Render\Renderer->doTrustedCallback('Drupal\block\BlockViewBuilder::preRender', Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 859)
    Drupal\Core\Render\Renderer->doCallback('#pre_render', 'Drupal\block\BlockViewBuilder::preRender', Array) (Line: 421)
    Drupal\Core\Render\Renderer->doRender(Array) (Line: 493)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 475)
    Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 117)
    __TwigTemplate_982ff36c8c67ab0a6d726b70893b30b2->doDisplay(Array, Array) (Line: 360)
    Twig\Template->yield(Array) (Line: 335)
    Twig\Template->render(Array) (Line: 38)
    Twig\TemplateWrapper->render(Array) (Line: 39)
    twig_render_template('themes/custom/greenforum_main/templates/layout/page.html.twig', Array) (Line: 348)
    Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 475)
    Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 106)
    __TwigTemplate_115aaa0110147dd4b8dda6c26b6830ee->doDisplay(Array, Array) (Line: 360)
    Twig\Template->yield(Array) (Line: 335)
    Twig\Template->render(Array) (Line: 38)
    Twig\TemplateWrapper->render(Array) (Line: 39)
    twig_render_template('themes/custom/greenforum_main/templates/system/html.html.twig', Array) (Line: 348)
    Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 158)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
    Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 193)
    Drupal\cleantalk\EventSubscriber\BootSubscriber->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
    Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
    
  • Warning: Undefined array key "type" in Drupal\views\Plugin\views\query\Sql->buildCondition() (line 1146 of core/modules/views/src/Plugin/views/query/Sql.php).
    Drupal\views\Plugin\views\query\Sql->buildCondition('where') (Line: 1416)
    Drupal\views\Plugin\views\query\Sql->query(1) (Line: 1470)
    Drupal\views\Plugin\views\query\Sql->build(Object) (Line: 280)
    group_views_query_alter(Object, Object)
    call_user_func_array(Object, Array) (Line: 409)
    Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}(Object, 'group') (Line: 388)
    Drupal\Core\Extension\ModuleHandler->invokeAllWith('views_query_alter', Object) (Line: 408)
    Drupal\Core\Extension\ModuleHandler->invokeAll('views_query_alter', Array) (Line: 1449)
    Drupal\views\Plugin\views\query\Sql->alter(Object) (Line: 1331)
    Drupal\views\ViewExecutable->build(NULL) (Line: 1406)
    Drupal\views\ViewExecutable->execute(NULL) (Line: 1469)
    Drupal\views\ViewExecutable->render() (Line: 131)
    Drupal\views\Plugin\views\display\Block->execute() (Line: 1645)
    Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
    Drupal\views\Element\View::preRenderViewElement(Array) (Line: 61)
    Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 171)
    Drupal\block\BlockViewBuilder::preRender(Array)
    call_user_func_array('Drupal\block\BlockViewBuilder::preRender', Array) (Line: 111)
    Drupal\Core\Render\Renderer->doTrustedCallback('Drupal\block\BlockViewBuilder::preRender', Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 859)
    Drupal\Core\Render\Renderer->doCallback('#pre_render', 'Drupal\block\BlockViewBuilder::preRender', Array) (Line: 421)
    Drupal\Core\Render\Renderer->doRender(Array) (Line: 493)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 475)
    Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 117)
    __TwigTemplate_982ff36c8c67ab0a6d726b70893b30b2->doDisplay(Array, Array) (Line: 360)
    Twig\Template->yield(Array) (Line: 335)
    Twig\Template->render(Array) (Line: 38)
    Twig\TemplateWrapper->render(Array) (Line: 39)
    twig_render_template('themes/custom/greenforum_main/templates/layout/page.html.twig', Array) (Line: 348)
    Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 475)
    Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 106)
    __TwigTemplate_115aaa0110147dd4b8dda6c26b6830ee->doDisplay(Array, Array) (Line: 360)
    Twig\Template->yield(Array) (Line: 335)
    Twig\Template->render(Array) (Line: 38)
    Twig\TemplateWrapper->render(Array) (Line: 39)
    twig_render_template('themes/custom/greenforum_main/templates/system/html.html.twig', Array) (Line: 348)
    Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 480)
    Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240)
    Drupal\Core\Render\Renderer->render(Array) (Line: 158)
    Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
    Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 153)
    Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
    Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
    call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
    Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186)
    Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76)
    Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58)
    Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28)
    Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106)
    Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85)
    Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 193)
    Drupal\cleantalk\EventSubscriber\BootSubscriber->handle(Object, 1, 1) (Line: 48)
    Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36)
    Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51)
    Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704)
    Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
    

Shades of Green: Opportunities and limitations of the Green Transition

Event

Alessandra Apicella
Alessandra Apicella
4 years ago

Shades of Green: Opportunities and limitations of the Green Transition

1 JUN 2021

With the rising alerts of the environmental threats and calls for joint actions around the globe, more efforts have been made to build a more eco-friendly environment of the future. Among other initiatives to tackle climate change related issues, such as reduction of CO2 emissions and landfill waste, the “Green Transition” aims to build resilient environment and economies and promotes sustaining and advancing economic, environmental and social well-being. However, the efficiency and effectiveness of the actions are questionable. Are they suitable for sustainable living in the long-term? Controversies over policies and campaigns of “Green Transition” actions are still ongoing.

In particular, one critical area for cooperation between government and industry is cleaning up energy infrastructures. Challenges also include a sustainable and business oriented facilitating toolbox named green finance. However, subsidies cannot last forever. Additionally, countries tend to agree on the broader goal, but differences remain. For instance, in order to reach the ambitious goals of the Paris Agreement, the idea of ‘clean coal’, common in Asia, won’t be sufficient in the European perspective. The old continent points to combine it with other approaches - such as Negative Emissions Technologies. However, this must first win some public opinion reticence in considering CO2 as a resource rather than as a dangerous waste only.

Public concern seems instead rather low towards one of the major landfill pollutant. Although some countries are near to a full recovery of concrete wastes, in many parts of the world this potential is overlooked and the concept of sustainable buildings often reconducted to energy efficiency and use of new innovative materials only. Higher attention must be paid to recycling for a more immediate waste reduction action.  

In this SciTech Concert appointment, STO Seoul aims to explore some aspects of the “Green Transition”, by disclosing also critical voices. In a multidisciplinary approach, experts from Switzerland and South Korea will discuss the unprecedented path that the “Green Transition” has taken as well as its opportunities and limitations.