DAJB043E File tailor open|close error in program_name;
RC=return_code
Explanation
The build process attempted to open or close the
indicated member when generating JCL. However, ISPF returned the indicated
return code. The member was most likely either not found or the member
was already opened (being used) by another job.
User response
Make sure the indicated member exists and that
no other job has the member opened.