We are using WA DE 12.0.02 and there is 1 windows agent that experiences an intermittent error when executing jobs :
Output of messages for workload object ETL2_SUBLEDGER_MEASURES/PROD_RTFM_WORKFLOW_SUBLEDGER.15952/MAIN
Start date 11/14/2019 08:06:36.751+0200
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s u e x i t i n g d u e t o : 2 , A
When the jobs is rerun, it completes successfully.