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When Using Primavera Gateway to Synchronize Data from P6 to OPC the Error "Secondary Constraint: This Is a Required Field" Occurs (Doc ID 2740651.1)

Last updated on JANUARY 04, 2021

Applies to:

Primavera P6 Enterprise Project Portfolio Management Cloud Service - Version 19.12 and later
Primavera Gateway - Version 19.12 and later
Oracle Primavera Cloud Service - Version 20.11 and later
Information in this document applies to any platform.


When attempting to run a synchronization from P6 to OPC, the following error occurs.

Secondary Constraint: This is a required field


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