Project Summarization "Failed loading object of type: BOCalendar with id: 0" and "Failed calculating field rollups for project xxxxx and wbs ids [xxxxx, xxxxx, xxxxx, .....], Caused by no such column: WbsId" (Doc ID 2088568.1)

Last updated on MAY 16, 2017

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 8.3.8.0 and later
Information in this document applies to any platform.

Symptoms

On : 8.3.8.0 version, P6 Scheduled Services and Pre-R8.x Job Services

When attempting to run project summarization against specific projects, the following error occurs.

ERROR
-----------------------

PrmThread-xx ERROR com.primavera.bo.base.server.ServerDAOImpl ?:? Failed loading object of type: BOCalendar with id: 0

......

com.primavera.summarizer.SummarizerException: Failed calculating field rollups for project xxxxx and wbs ids [xxxxx, xxxxx, xxxxx, .....]
  at com.primavera.summarizer.dao.ActivityDAO.buildSummarizedFields(Unknown Source)
......
Caused by: com.primavera.infr.db.PrmRowSetException: PrmRowSet.findColumn: No such column: WbsId
......
PrmThread-xx ERROR com.primavera.jobsvc.common.JobServiceExecutable ?:? Marking job id xxxxxx as failure

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Logon P6 EPPM Web or Professional.
2. In the Projects / EPS window from Web, or Projects window from Professional , right-click the specific project and then Summarize Projects.
3. The Summarization is running at background but failed finally with above error messages printed to P6WebAccess.html

BUSINESS IMPACT
-----------------------
The issue has the following business impact:
Due to this issue, users cannot summarize projects.

Cause

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