COBEC0018E <cmd> is not a valid EXEC CICS command

The command <cmd> is not recognized as a valid EXEC CICS command by the preprocessor.
System Action:
An Unsupported Function abend is generated for the EXEC CICS statement and an ERROR is raised.
Resolution:
Correct the EXEC CICS statement to specify a valid command.
Module:
cicsprep (dfhxc2pc)
Destination:
Source Listing, .TRL file, STDOUT