Error
Error (ERROR_STORAGE_FAILURE) :

    * in modules/core/classes/GalleryStorage.class at line 476 (gallerycoreapi::error)
    * in modules/core/classes/Gallery.class at line 223 (mysqlstorage::search)
    * in modules/core/classes/GallerySession.class at line 911 (gallery::search)
    * in modules/core/classes/GallerySession.class at line 261 (gallerysession::_loadsessiondata)
    * in modules/core/classes/Gallery.class at line 315 (gallerysession::init)
    * in init.inc at line 125 (gallery::initsession)
    * in main.php at line 73

 Gallery tables already exist in the database and there is a versions.dat file in the Gallery storage directory. But the version of the installed Gallery database tables does not match the version of the installed data in the Gallery storage directory. Select a clean install to erase all data in the database and in the storage directory and to advance to the next step.