CASKC0005W Error attempting to stop a CICS server process.

The region manager attempted to close a CICS server process and received an error. This may be due to a lack of shared memory.
System Action:
Increment AMAX.
Resolution:
Try decreasing the value of AMAX so ascertain whether the problem is permanent.
Module:
casmgr
Destination:
System Console and standard error.