How To Fix MPE_OAN155 - Element &1 is still used by a relationship in OAN &2, version &3

MPE_OAN155 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 155

• Message text: Element &1 is still used by a relationship in OAN &2, version &3

Self-Explanatory Message

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MPE_OAN155 - Details

• The SAP error message MPE_OAN155 indicates that a specific element (identified by &1) is still being used in a relationship within an object (identified by OAN &2) of a certain version (version &3). This typically occurs in the context of Object Administration in SAP, particularly when dealing with master data or configuration objects.
  
  Cause:
  The error arises when you attempt to delete or modify an element that is still referenced by a relationship in the system. This means that the element is actively linked to another object or relationship, and SAP prevents the deletion or modification to maintain data integrity.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify the Relationship: Use the information provided in the error message to identify the specific relationship that is causing the issue. You can look up the object (OAN &2) and version (&3) in the relevant transaction or application.
  
  
  Check Dependencies: Investigate the dependencies of the element