FABA3904E "FREEMAIN" FAILURE OCCURRED (RC=`XX`) FOR IMAGE COPY 2 BUFFER

Explanation
 The DEDB Pointer Checker issued a FREEMAIN
macro. The return code specifies that the attempt to do so was unsuccessful.

System action
 The DEDB Pointer Checker issues a U3904
abend.

User response
 Correct all errors and rerun the job. If the
problem remains, save the entire run listing (including the dump,
JCL and all FPB reports)
and contact IBM® Software Support.