Upload Artifact Fails w/ 500

I am writing a job which generates a couple large artifacts in a multi-step pipeline, but when I go to register these artifacts, fails with the following:

Uploading artifacts…
artifacts: found 14 matching files
WARNING: Uploading artifacts to coordinator… failed id=835195188 responseStatus=500 Internal Server Error status=500 Internal Server Error token=18VbH-TN
WARNING: Retrying… error=invalid argument
WARNING: Uploading artifacts to coordinator… failed id=835195188 responseStatus=500 Internal Server Error status=500 Internal Server Error token=18VbH-TN
WARNING: Retrying… error=invalid argument
WARNING: Uploading artifacts to coordinator… failed id=835195188 responseStatus=500 Internal Server Error status=500 Internal Server Error token=18VbH-TN
FATAL: invalid argument
ERROR: Job failed: command terminated with exit code 1

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