E_DEPRECATED: Return type of Themeco\Cornerstone\Parsy\Token::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Parsy/Token.php on line 33. Warning: Cannot modify header information - headers already sent by (output started at /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Util/ErrorHandler.php:24) in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-includes/rest-api/class-wp-rest-server.php on line 1717 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Util/ErrorHandler.php:24) in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-includes/rest-api/class-wp-rest-server.php on line 1717 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Util/ErrorHandler.php:24) in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-includes/rest-api/class-wp-rest-server.php on line 1717 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Util/ErrorHandler.php:24) in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-includes/rest-api/class-wp-rest-server.php on line 1717 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Util/ErrorHandler.php:24) in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-includes/rest-api/class-wp-rest-server.php on line 1717 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Util/ErrorHandler.php:24) in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-includes/rest-api/class-wp-rest-server.php on line 1717 Warning: Cannot modify header information - headers already sent by (output started at /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-content/plugins/cornerstone/includes/classes/Util/ErrorHandler.php:24) in /mnt/web006/e2/10/52992610/htdocs/WordPress_02/wp-includes/rest-api/class-wp-rest-server.php on line 1717 rest_missing_callback_paramFehlende(r) Parameter: url400url