Fatal error: Uncaught Error: Call to undefined function () in /home/.sites/583/site3383990/web/wp-includes/blocks/calendar.php:1 Stack trace: #0 /home/.sites/583/site3383990/web/wp-includes/blocks/require-dynamic-blocks.php(9): require_once() #1 /home/.sites/583/site3383990/web/wp-includes/blocks/index.php(18): require('/home/.sites/58...') #2 /home/.sites/583/site3383990/web/wp-settings.php(368): require('/home/.sites/58...') #3 /home/.sites/583/site3383990/web/wp-config.php(116): require_once('/home/.sites/58...') #4 /home/.sites/583/site3383990/web/wp-load.php(50): require_once('/home/.sites/58...') #5 /home/.sites/583/site3383990/web/wp-blog-header.php(13): require_once('/home/.sites/58...') #6 /home/.sites/583/site3383990/web/index.php(17): require('/home/.sites/58...') #7 {main} thrown in /home/.sites/583/site3383990/web/wp-includes/blocks/calendar.php on line 1 Fatal error: Uncaught Error: Call to a member function set() on null in /home/.sites/583/site3383990/web/wp-includes/l10n.php:856 Stack trace: #0 /home/.sites/583/site3383990/web/wp-includes/l10n.php(959): load_textdomain('default', '/home/.sites/58...', 'de_DE') #1 /home/.sites/583/site3383990/web/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home/.sites/583/site3383990/web/wp-includes/l10n.php on line 856