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Error "Unable To Load Data ??obs.exception.userobs.cantloaddata??" When Attempting To View Users Assigned To A Specific OBS (Doc ID 2557070.1)

Last updated on APRIL 06, 2020

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 18.8 and later
Primavera P6 Enterprise Project Portfolio Management Cloud Service - Version 18.1 and later
Primavera P6 Professional Project Management - Version 18.8 and later
Information in this document applies to any platform.


When attempting to view assigned users of an OBS, the following error occurs.


On screen:
Unable to load data

Web Access Log:
[ACTIVE] ExecuteThread: '5' for queue: 'weblogic.kernel.Default (self-tuning)' ERROR /rest/obs/usersData/load?ObsId=<obs_id> (User Id: <user_id> DB Id: <db_id>) ?:? ??obs.exception.userobs.cantloaddata?? ??obs.exception.userobs.cantloaddata??
Caused by: ??obs.exception.users.cantloaddata??
  Caused by: com.primavera.PhoenixException: Error trying to load object of type: User
  Caused by: java.lang.NumberFormatException: For input string: "[Ljava.lang.String;@2d8d7fd0"


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

  1. Login to the P6 Web Client.
  2. Navigate to "Administration", "User Administration", "OBS".
  3. Select a Responsible Manager in the OBS hierarchy.
  4. Attempt to view the assigned users.
  5. Observe the error "Unable to load data. ??obs.exception.userobs.cantloaddata??".


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