Need help with Debian 6 CCcam 2.21

Need help with Debian 6 CCcam 2.21
At last, I have problems as bad command, and remind the peer is on and ofline
server restarts several times a day by themselves
With same peer on my dm 7020 no problem
Have tested all CCcam versions the same thing
Have changed three different Dell (dual core) computers and reinstalled several times
There was no problem before what may be can not find what the problem is

Grateful for any help

Thanks Ten
Yes i have same with very poor internet maby thats the problem i will try