MICS processing jobs may fail in any given step with a user abend U1335
Free buffer overwritten.
ERROR: VM 1335: The PCE address= 00000000 and MEMORY address=16463FE0
IEA995I SYMPTOM DUMP OUTPUT
USER COMPLETION CODE=1335
CA MICS r12.9
CA MICS r14.0
This is a known problem only with SAS libraries that were created with a release prior to 9.4 that are being copied to a SAS 9.4 library.
Refer to the following SAS Knowledge Base article located here