Post process stopped due to DDL error ORA-02431 (4299607)

The following entries are observed in the event log when Post stops due to error:

Error    2016-03-08 12:53:24.767109 16283 1712027392 s:9 Poster: [SP-OPO01002] Post process stopped due to DDL error ORA-02431: cannot disable constraint (SYS_C00256361) - no such constraint  on SQL ALTER TABLE "OWNER"."TABLE_NAME" disable constrain....  <CAUSE> Post received a DDL error from the target database.  Message:[subque/seq 9/182324348 seqno/offset 2416/292962040].  <ADVICE> While Post is stopped, fix the problem so that this error does not  occur again. Then, manually execute the correct DDL on the target and restart Post. (Note: On restart, Post will skip the original DDL that caused the error.) To configure Post to continue processing after it receives