BSYR377E The member name selected for the generated job cannot be
the same as the member name used for the generation job (which was
specified in the data set shown at the text at the beginning of this
window)
Explanation
The same member name was used for the output of the
job to build the JCL as for the built JCL.
User response
You must enter different member names for location
of the JCL to perform the batch job generation and the location where
the batch job will place its generated JCL.