GENCB failed for filename CB=control
block RC=return code REASON=reason
code
The generation of a VSAM control block failed
for Reporter file filename.
The Reporter is
terminated.
The return code and reason
code are as returned by VSAM in GPR 15 and GPR 0 respectively.
Check the VSAM messages and codes manual to determine the cause of
the error. Correct the problem and rerun the job.