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Warning: scandir(): (errno 2): No such file or directory in /var/www/vhosts/rr41.de/qa.rr41.de/httpdocs/web_core/Gallery/GalleryOverview.php on line 81

Fatal error: Uncaught TypeError: array_diff(): Argument #1 ($array) must be of type array, bool given in /var/www/vhosts/rr41.de/qa.rr41.de/httpdocs/web_core/Gallery/GalleryOverview.php:81 Stack trace: #0 /var/www/vhosts/rr41.de/qa.rr41.de/httpdocs/web_core/Gallery/GalleryOverview.php(81): array_diff() #1 /var/www/vhosts/rr41.de/qa.rr41.de/httpdocs/web_core/Gallery/Gallery.php(14): include_once('...') #2 {main} thrown in /var/www/vhosts/rr41.de/qa.rr41.de/httpdocs/web_core/Gallery/GalleryOverview.php on line 81