DFS3165E Invalid Parameter to Function REXXIMS

Explanation
 Syntax error occurred while running EXEC with IMS Adapter for REXX. Invalid function
parameters were passed on the REXXIMS function call.

System action
 An invalid function call is signaled to the REXX
interpreter where it processes the condition appropriately.

Programmer response
 Verify usage of REXXIMS function call.
If problem persists, verify that you are in an IMS Adapter for REXX environment by issuing the
following command and getting a return code 0.Address MVS 'SUBCOM REXXIMS'