I dont no what i done

I think i delete something in my log files or oscam now i am unable to edit oscam with winSCP if i try General failure (server should provide error description).
Error code: 4
Error message from server: Failure
Request code: 3
And also have this show me this in oscam 2013/10/27 23:57:21 0 An error occured while writing oscam.lcd file /tmp/.oscam/oscam.lcd.
Anyone have any ideas what i have done it was working fine

yes running a small server on a old laptop for me and the boys only 5 user yes i can still log in just can not edit or add or remove user
General failure (server should provide error description).Error code: 4 Error message from server: Failure Request code: 3