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Error in View Log: "CalendarObjectId: Invalid project calendar" or "Referenced business object Calendar cannot be found" During P6 XML Import (Doc ID 2705163.1)

Last updated on JUNE 21, 2023

Applies to:

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


During P6 XML import attempt the job eventually fails with one of the following View Log errors in both the View Log and P6WebAccess.html log:

CalendarObjectId: Invalid project calendar

Referenced business object Calendar cannot be found


The issue can be reproduced at will with the following steps:

  1. Export a project to P6 XML format.
  2. Import the same P6 XML created in Step 1.
  3. Result: Import job Status = Failed, Project is added with missing data.
  4. Result: Import job View Log shows the reported errors.
  5. Inspection of P6 XML file shows invalid <Calendar> type = <Resource> were assigned to <Task> type objects, which is invalid.




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