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When Using P6 Web Services the Error "ObjectId parameter may not be null" Occurs (Doc ID 2996993.1)

Last updated on JANUARY 08, 2024

Applies to:

Primavera P6 Enterprise Project Portfolio Management Cloud Service - Version 21.1 and later
Primavera Web Services - Version 21.12 and later
Information in this document applies to any platform.


When attempting to use P6 Web Services to check if a portfolio contains a project, the following error occurs.

ObjectId parameter may not be null.

The issue can be reproduced at will with the following steps:
1. Use the ProjectPortfolioService with a request like the following:



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