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Sending a Workflow Type Record to the Next Step Processes for a Long Time and Eventually an Alert Pops-Up: Error2:0 error Status:0 -or- Error2:Internal Server Error Status:500 (Doc ID 2597663.1)

Last updated on DECEMBER 22, 2020

Applies to:

Primavera Unifier Cloud Service - Version 19.4 and later
Information in this document applies to any platform.


On Unifier : Version: 19.4

When attempting to create and route a workflow type business process record to the next step in the workflow and clicking on "Send" the process gets stuck with the 3 loading dots. Eventually, after some time, one of the following Alert's may pop-up:


Alert Error2:0 error Status:0 -or- Error2:Internal Server Error Status:500

Something to the following may be found in the Unifier log files:

Error Msg = ORA-00001: unique constraint (UNIFIER.SYS_PROXY_HISTORY_PK) violated at oracle.jdbc.driver.T4CTTIoer11.processError(
[wrapped] java.sql.SQLIntegrityConstraintViolationException: ORA-00001: unique constraint (UNIFIER.SYS_PROXY_HISTORY_PK) violated

The issue has the following business impact:
Due to this issue, users cannot create and Send the workflow records to the next step in the workflow as the action never completes processing.


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