backup command is not working

[klisa]

in ssh terminal as you see in backup-4-edit, after permission denied, with chmod, run the command, approximately 1.5 hours after run command ,as you see in picture backup-5-edit, this error appears, this is html code. why this happened?

[MRatWork]

It's 'web console' issue. Go to 'admin > backup/restore' to process backup for admin.