Error message

• Deprecated function: TYPO3\PharStreamWrapper\Manager::initialize(): Implicitly marking parameter $resolver as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /homepages/3/d408889334/htdocs/sg/includes/file.phar.inc).
• Deprecated function: TYPO3\PharStreamWrapper\Manager::initialize(): Implicitly marking parameter $collection as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /homepages/3/d408889334/htdocs/sg/includes/file.phar.inc).
• Deprecated function: TYPO3\PharStreamWrapper\Manager::__construct(): Implicitly marking parameter $resolver as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /homepages/3/d408889334/htdocs/sg/includes/file.phar.inc).
• Deprecated function: TYPO3\PharStreamWrapper\Manager::__construct(): Implicitly marking parameter $collection as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 19 of /homepages/3/d408889334/htdocs/sg/includes/file.phar.inc).
• Deprecated function: session_set_save_handler(): Providing individual callbacks instead of an object implementing SessionHandlerInterface is deprecated in drupal_session_initialize() (line 242 of /homepages/3/d408889334/htdocs/sg/includes/session.inc).
• Deprecated function: SelectQueryInterface::getArguments(): Implicitly marking parameter $queryPlaceholder as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: SelectQueryInterface::preExecute(): Implicitly marking parameter $query as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: SelectQueryExtender::getArguments(): Implicitly marking parameter $queryPlaceholder as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: SelectQueryExtender::preExecute(): Implicitly marking parameter $query as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: SelectQuery::getArguments(): Implicitly marking parameter $queryPlaceholder as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: SelectQuery::preExecute(): Implicitly marking parameter $query as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: DrupalEntityControllerInterface::resetCache(): Implicitly marking parameter $ids as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: DrupalDefaultEntityController::resetCache(): Implicitly marking parameter $ids as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: menu_tree_prune_tree(): Implicitly marking parameter $parent_item as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 1439 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: DrupalDefaultMetaTag::__construct(): Implicitly marking parameter $data as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).
• Deprecated function: DrupalListMetaTag::__construct(): Implicitly marking parameter $data as nullable is deprecated, the explicit nullable type must be used instead in include_once() (line 3542 of /homepages/3/d408889334/htdocs/sg/includes/bootstrap.inc).