How To Fix /SAPAPO/DP_EVENT150 - Event catalog &1 cannot be its own parent

/SAPAPO/DP_EVENT150 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DP_EVENT -

• Message number: 150

• Message text: Event catalog &1 cannot be its own parent

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 /SAPAPO/DP_EVENT150 - Event catalog &1 cannot be its own parent ?

  The SAP error message /SAPAPO/DP_EVENT150 indicates that there is an issue with the event catalog in the SAP Advanced Planning and Optimization (APO) module, specifically in the Demand Planning (DP) area. The message states that an event catalog cannot be its own parent, which typically means that there is a circular reference or a self-referential relationship in the event catalog hierarchy.
  
  Cause:
  
  Circular Reference: The event catalog is trying to reference itself as a parent, which is not allowed. This can happen if the hierarchy of events is incorrectly defined.
  Incorrect Configuration: There may be a misconfiguration in the event catalog setup, where the parent-child relationships are not properly established.
  Data Integrity Issues: There could be issues with the data integrity in the event catalog, such as duplicate entries or incorrect relationships.
  
  
  Solution:
  
  
  Check Event Catalog Hierarchy:
  
  Go to the event catalog in the SAP APO system and review the hierarchy of events.
  Ensure that no event is