DFS3196E ERROR LOADING INTERFACE MODULE DFSREXX1

Explanation
 The system was unable to load the IMS Adapter
for the REXX module (DFSREXX1).

System action
 No EXEC execution occurs.

Programmer response
 Verify IMS module
DFSREXX1 is in a library accessible to your dependent region that
is running REXX. Verify your STEPLIB.