The ddname DWWCA, which is required for this CA utility, is not present in the JCL.
The ONLY keyword was specified in the CA command. However, the name of an output change accumulation data set was not specified in the DWWCA DD statement in the change accumulation batch job JCL.
Change accumulation processing terminates with a return code of 12.
Specify an output change accumulation data set in the DWWCA DD statement of the change accumulation batch job JCL.