I get this error message at my fresh D8 initial home page / install page:
My system:
PHP 5.5.13
Maria DB 5.5.5-10.0.12-MariaDB
NGINX 1.6.1
Additional uncaught exception thrown while handling exception.
Original
Doctrine\Common\Annotations\AnnotationException: [Semantical Error] The class "Drupal\Core\Render\Annotation\FormElement" is not annotated with @Annotation. Are you sure this class can be used as annotation? If so, then you need to add @Annotation to the _class_ doc comment of "Drupal\Core\Render\Annotation\FormElement". If it is indeed no annotation, then you need to add @IgnoreAnnotation("FormElement") to the _class_ doc comment of class Drupal\Core\Datetime\Element\Datelist. in Doctrine\Common\Annotations\AnnotationException::semanticalError() (line 54 of C:\nginx\WWW\eight\core\vendor\doctrine\annotations\lib\Doctrine\Common\Annotations\AnnotationException.php).
Doctrine\Common\Annotations\AnnotationException::semanticalError('The class "Drupal\Core\Render\Annotation\FormElement" is not annotated with @Annotation. Are you sure this class can be used as annotation? If so, then you need to add @Annotation to the _class_ doc comment of "Drupal\Core\Render\Annotation\FormElement". If it is indeed no annotation, then you need to add @IgnoreAnnotation("FormElement") to the _class_ doc comment of class Drupal\Core\Datetime\Element\Datelist.')
Doctrine\Common\Annotations\DocParser->Annotation()
Doctrine\Common\Annotations\DocParser->Annotations()
Doctrine\Common\Annotations\DocParser->parse('/**
* Provides a datelist element.
*
* @FormElement("datelist")
*/', 'class Drupal\Core\Datetime\Element\Datelist')
Doctrine\Common\Annotations\SimpleAnnotationReader->getClassAnnotations(Object)
Doctrine\Common\Annotations\SimpleAnnotationReader->getClassAnnotation(Object, 'Drupal\Core\Render\Annotation\RenderElement')
Drupal\Component\Annotation\Plugin\Discovery\AnnotatedClassDiscovery->getDefinitions()
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDefinitions()
Drupal\Core\Plugin\DefaultPluginManager->findDefinitions()
Drupal\Core\Plugin\DefaultPluginManager->getDefinitions()
Drupal\Core\Render\ElementInfoManager->buildInfo()
Drupal\Core\Render\ElementInfoManager->getInfo('form')
element_info('form')
Drupal\Core\Form\FormBuilder->getElementInfo('form')
Drupal\Core\Form\FormBuilder->prepareForm('install_select_language_form', Array, Object)
Drupal\Core\Form\FormBuilder->buildForm('Drupal\Core\Installer\Form\SelectLanguageForm', Object)
install_get_form('Drupal\Core\Installer\Form\SelectLanguageForm', Array)
install_select_language(Array)
install_run_task(Array, Array)
install_run_tasks(Array)
install_drupal()
Additional
Doctrine\Common\Annotations\AnnotationException: [Semantical Error] The class "Drupal\Core\Render\Annotation\FormElement" is not annotated with @Annotation. Are you sure this class can be used as annotation? If so, then you need to add @Annotation to the _class_ doc comment of "Drupal\Core\Render\Annotation\FormElement". If it is indeed no annotation, then you need to add @IgnoreAnnotation("FormElement") to the _class_ doc comment of class Drupal\Core\Datetime\Element\Datelist. in Doctrine\Common\Annotations\AnnotationException::semanticalError() (line 54 of C:\nginx\WWW\eight\core\vendor\doctrine\annotations\lib\Doctrine\Common\Annotations\AnnotationException.php).
Doctrine\Common\Annotations\AnnotationException::semanticalError('The class "Drupal\Core\Render\Annotation\FormElement" is not annotated with @Annotation. Are you sure this class can be used as annotation? If so, then you need to add @Annotation to the _class_ doc comment of "Drupal\Core\Render\Annotation\FormElement". If it is indeed no annotation, then you need to add @IgnoreAnnotation("FormElement") to the _class_ doc comment of class Drupal\Core\Datetime\Element\Datelist.')
Doctrine\Common\Annotations\DocParser->Annotation()
Doctrine\Common\Annotations\DocParser->Annotations()
Doctrine\Common\Annotations\DocParser->parse('/**
* Provides a datelist element.
*
* @FormElement("datelist")
*/', 'class Drupal\Core\Datetime\Element\Datelist')
Doctrine\Common\Annotations\SimpleAnnotationReader->getClassAnnotations(Object)
Doctrine\Common\Annotations\SimpleAnnotationReader->getClassAnnotation(Object, 'Drupal\Core\Render\Annotation\RenderElement')
Drupal\Component\Annotation\Plugin\Discovery\AnnotatedClassDiscovery->getDefinitions()
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDefinitions()
Drupal\Core\Plugin\DefaultPluginManager->findDefinitions()
Drupal\Core\Plugin\DefaultPluginManager->getDefinitions()
Drupal\Core\Render\ElementInfoManager->buildInfo()
Drupal\Core\Render\ElementInfoManager->getInfo('page')
element_info('page')
Drupal\Core\Page\DefaultHtmlPageRenderer::renderPage(Array, 'Error', 'install', Array)
install_display_output(Array, Array)
_drupal_log_error(Array, 1)
_drupal_exception_handler(Object)