well, important are the permissions, ownership and file-size of el-v1.db (should be rw-r-r, user.users, >0)... it this is ok, i have no idea - you can save (or export) the data via glogarchive, and restore the backup or remove el-v1.db, to get a new und clear file...

but i think, the file-permissions are not ok.. post it!