IDC4237I TOO MANY LEVELS OF ‘IF’ COMMAND NESTING
Explanation
IF modal commands have been nested to a level that cannot be handled.
System action
The remainder of the command input stream is ignored.
System programmer response
If the error recurs and the program is not in error, search problem reporting data bases for a fix for the problem. If no fix exists, contact the IBM® Support Center. Provide the SYSOUT output for the job.
Programmer response
Restructure the modal commands to conform to the restriction of ten levels of nesting.
Source
DFSMSdfp
Module
IDCRI01