Improve protection against backend failures [ci skip]
Improve protection against backend failures
[ci skip]

IATkachenko/gallery,owncloud/gallery,owncloud/galleryplus,interfasys/galleryplus,desaintmartin/gallery,IATkachenko/gallery,desaintmartin/gallery,imjalpreet/gallery,owncloud/gallery,desaintmartin/gallery,interfasys/galleryplus,imjalpreet/gallery,owncloud/galleryplus,IATkachenko/gallery,interfasys/galleryplus,owncloud/galleryplus,owncloud/gallery,imjalpreet/gallery