R12.1.3 - AP -APMACR (Mass Addition Create) sometimes not generate outputs

Hello,

Does any one knows why APMACR (Mass Addition Create) sometimes not generate output after the concurrent request completed normal?

This client has 30+ OU's using AP and FA. We have Mass Addition Create jobs scheduled to launch for each OU using a tool called Appworx/Automic (a Concurrent job scheduling/launching tool). We noticed that sometimes, some APMACR (Mass Addition Create) concurrent requests not generate outputs (some generate 0 byte outputs ).

The table FND_CONCURRENT_REQUESTS does show output file for the OUTFILE_NAME field (i.e. ....../apps/conc_dir/appl/conc/out/o218403811.out) . But this output file actually can not be found in that output location folder. Because we have some customized process based on this job's outputs, "can not find outputs" caused our customized process to fail.