les than 11, so beter to start an full new system.
Alapi : when you add a lim on line, you must stop call logging, traffic recording and after the lim is added, you have te recreate those.
but you must also set the number plan in you new lim. for this, use command ladci to copy data from a lim to an other.
But I strongly advise not to do this alone for the first time !