Error: "There was an Error while Trying to Authenticate the User: Invalid WEBSSO Mismatch." When Running a P6 Web Services Application (Doc ID 1541942.1)

Last updated on OCTOBER 11, 2016

Applies to:

Primavera Web Services - Version 8.0 and later
Primavera P6 Enterprise Project Portfolio Management - Version 8.0 and later
Primavera P6 Professional Project Management - Version 8.0 and later
Information in this document applies to any platform.

Symptoms

When attempting to run a P6 Web Services application, the following errors occurs:

Errors
-----------------------
There was an error while trying to authenticate the user: Invalid WEBSSO mismatch.
com.primavera.common.exceptions.WebSSOMismatchException: Invalid WEBSSO mismatch.

A server exception occured while trying to perform username token authentication: Invalid WEBSSO mismatch. 

Cause

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