Fatal error: Uncaught Error: Non-static method GalleryDataCache::containsKey() cannot be called statically in /homepages/34/d13532227/htdocs/Buchenau/Bilder/gallery2/modules/core/classes/Gallery.class:922 Stack trace: #0 /homepages/34/d13532227/htdocs/Buchenau/Bilder/gallery2/main.php(38): Gallery->isEmbedded() #1 {main} thrown in /homepages/34/d13532227/htdocs/Buchenau/Bilder/gallery2/modules/core/classes/Gallery.class on line 922