COBEC9020F Invalid Codeset (ASCII/EBCDIC) option = <a>

The tenth flag in the TX preprocessor options specifies the character set (codeset) to be used for the program.

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

 
   A - ASCII character set (codeset) 
   E - EBCDIC character set (codeset) 
   0 - not specified
System Action:
Terminate the preprocess/check.
Resolution:
Correct the TX preprocessor options to specify one of the valid Character Set options in the tenth position.
Module:
cicsprep(dfhxinit)
Destination:
STDOUT