TypeError: dokuwiki\plugin\gallery\classes\AbstractGallery::__construct(): Argument #2 ($options) must be of type dokuwiki\plugin\gallery\classes\Options, __PHP_Incomplete_Class given, called in /data/7/9/797da810-de26-4c71-accd-130efdd36315/old.velkavalka.info/www/wiki/lib/plugins/gallery/classes/NamespaceGallery.php on line 10

An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the gallery plugin.

More info has been written to the DokuWiki error log.