How To Fix /PM0/ABB_MESSAGES820 - Parent entity of entity &1 cannot be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABB_MESSAGES -

• Message number: 820

• Message text: Parent entity of entity &1 cannot be determined

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABB_MESSAGES820 - Parent entity of entity &1 cannot be determined ?

  The SAP error message /PM0/ABB_MESSAGES820 indicating that "Parent entity of entity &1 cannot be determined" typically arises in the context of project management or asset management within SAP. This error suggests that the system is unable to identify the parent entity (such as a project, asset, or another hierarchical structure) for the specified entity.
  Causes:
  
  Missing Parent Entity: The entity you are trying to work with does not have a defined parent entity in the system.
  Incorrect Configuration: There may be configuration issues in the project structure or asset hierarchy that prevent the system from determining the parent.
  Data Inconsistencies: There could be inconsistencies or missing data in the database that lead to the inability to resolve the parent-child relationship.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the parent entity.
  
  Solutions:
  
  Check Entity Configuration: Verify the configuration of the entity in question. Ensure that it is correctly set up with a defined parent entity.
  Review Hierarchical Structure: Look at the hierarchical structure of the project or asset. Ensure that all entities are properly linked and that the parent-child relationships are correctly established.
  Data Consistency Check: Run data consistency checks to identify any discrepancies in the database that may be causing the issue. This may involve checking for missing records or incorrect relationships.
  Authorization Check: Ensure that the user has the necessary permissions to access the parent entity. If not, the user may need to be granted additional authorizations.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the module you are working with (e.g., Project System, Asset Management).
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as CJ20N for project management or AS01 for asset management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.