Password Change

Hello

I have a Big Issue on our Router CCR1072
I have User admin with Secure Password and change WinBox Port and disable another services

i have a big issue on our router that when i creat a new user, the user created but after few hours the admin password change to no password and the new user that was created will remove

i have tried to get backup from our configuration, but it shows me that can not get backup

who know about this issue

Regards