When using the multiple output sites flag from pegasus-plan, the following error is produced when the workflow runs:

2020-06-05 15:02:48.445 ERROR [root] Unable to tell database: batch entry 0: [SQLITE_CONSTRAINT] Abort due to constraint violation (UNIQUE constraint failed: rc_lfn.lfn)

Submit directory for the workflow that produced this error:

/scitech/home/bamboo/tanaka/pegasus/test/core/001-black-diamond-vanilla-condor-5.0API/work/black-diamond-5.0api-1591652911

Planner command line arguments that were used:

2020.06.08 16:16:12.849 PDT: [INFO] Planner invoked with following arguments --sites ⿔condor-pool⼤ --output-sites local,⿔condor-pool⼤ --dir /scitech/home/bamboo/tanaka/pegasus/test/core/001-black-diamond-vanilla-condor-5.0API/work --relative-dir black-diamond-5.0api-1591658172 --cleanup none -vvv --force --submit --dax workflow.yml