Hi
You mean, you have the backup file (undamaged) in the server. Now trying to restore it gives "500 internal error". That error itself doen't say anything, you have to get the error message through http://docs.moodle.org/en/Debugging.
Backup and restore
restore a course with 400Mb
Denne diskusjonen har blitt stengt, og du kan derfor ikke svare i den lengre.