Error 'InvalidClassException: SerialVersionUID Mismatch' in P6 API at Activity Create

(Doc ID 2252424.1)

Last updated on APRIL 13, 2017

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 16.1.4.0 and later
Information in this document applies to any platform.

Symptoms

When attempting to create an activity object using P6 Integration API Activity.create() method, the following error occurs:

java.io.InvalidClassException: com.primavera.bo.defs.BusinessObjectDef; local class incompatible: stream classdesc serialVersionUID = -4692868038802071831, local class serialVersionUID = 5842312231505365967

Cause

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