COBEC9019F Invalid Unsupported Option Action code = <o>

It must be one of the following characters (not case-sensitive):

 
   A - Generate the CICS API command to cause an 
       Unsupported Function abend when the command is 
       executed. 
   N - Generate the CICS API command as a "No-Op" API 
       command. 
   I - Ignore the unsupported option (treat as comments) 
       and generated the CICS API normally. 
   0 - not specified

System Action:

Terminate the preprocess/check.

Resolution:

Correct the TX preprocessor options to specify one of the valid Unsupported Option Action options in the ninth position.

Module:

cicsprep(dfhxinit)

Destination:

STDOUT