TYPO3 Core

Hello core Team,

TYPO3 Version: 12-dev b789f5a39603593d675a253714a26089762617c4

I have enabled the Workspace Extension. After a click on workspace module either an admin nor a user can access the workspace module.

Error:

(1/1) TYPO3Fluid\Fluid\View\Exception\InvalidSectionException
Section "main" does not exist.

in /var/www/html/TYPO3.CMS/vendor/typo3fluid/fluid/src/View/AbstractTemplateView.php line 254
                if ($ignoreUnknown) {
                    return '';
                }
                return $renderingContext->getErrorHandler()->handleViewError(
                    new InvalidSectionException('Section "' . $sectionName . '" does not exist.')
                );
            }
            $this->startRendering($renderingTypeOnNextLevel, $parsedTemplate, $renderingContext);
            $output = $parsedTemplate->$methodNameOfSection($renderingContext);
at TYPO3Fluid\Fluid\View\AbstractTemplateView->renderSection('main', array(), false)
in /var/www/html/TYPO3.CMS/vendor/typo3fluid/fluid/src/ViewHelpers/RenderViewHelper.php line 171
            $content = (new $delegate())->render($renderingContext);
        } elseif ($partial !== null) {
            $content = $view->renderPartial($partial, $section, $variables, $optional);
        } elseif ($section !== null) {
            $content = $view->renderSection($section, $variables, $optional);
        } elseif (!$optional) {
            throw new \InvalidArgumentException('ViewHelper f:render called without either argument section, partial, renderable or delegate and optional flag is false');
        }
        // Replace empty content with default value. If default is
at TYPO3Fluid\Fluid\ViewHelpers\RenderViewHelper::renderStatic(array('section' => 'main', 'partial' => null, 'delegate' => null, 'renderable' => null, 'arguments' => array(), 'optional' => false, 'default' => null, 'contentAs' => null, 'debug' => true), object(Closure), object(TYPO3\CMS\Fluid\Core\Rendering\RenderingContext))

in /var/www/html/typo3temp/var/cache/code/fluid_template/layout_Module_html_d16667dcacc408eca0b720061eb896e2617268c3.php line 105
$arguments11['contentAs'] = NULL;
$arguments11['debug'] = true;
$arguments11['section'] = 'main';

$output0 .= TYPO3\CMS\Fluid\ViewHelpers\RenderViewHelper::renderStatic($arguments11, $renderChildrenClosure12, $renderingContext);

Stefan