How To Fix MPE_OAN066 - Enter an end element for the OAN relationship

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 066

• Message text: Enter an end element for the OAN relationship

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 MPE_OAN066 - Enter an end element for the OAN relationship ?

  The SAP error message MPE_OAN066, which states "Enter an end element for the OAN relationship," typically occurs in the context of managing object relationships in SAP, particularly when dealing with Object Assignment Numbers (OAN) in the SAP system.
  Cause:
  This error usually arises when you are trying to create or modify an OAN relationship without specifying an end element. In the context of OAN relationships, an "end element" refers to the object or entity that is at the end of the relationship. If this is not provided, the system cannot complete the relationship definition, leading to the error message.
  Solution:
  To resolve this error, you should:
  
  
  Check Input Fields: Ensure that you have filled in all required fields in the transaction or screen where you are defining the OAN relationship. Specifically, look for a field that specifies the end element of the relationship.
  
  
  Define End Element: If you are creating a new relationship, make sure to specify both the start and end elements. The end element is crucial for the relationship to be valid.
  
  
  Review Documentation: If you are unsure about what constitutes a valid end element for your specific scenario, refer to the SAP documentation or help resources related to Object Assignment Numbers and relationships.
  
  
  Consult with SAP Support: If you continue to experience issues after checking the input fields and ensuring that all necessary information is provided, consider reaching out to SAP support or your internal SAP helpdesk for further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to object management, such as those used for creating or modifying OAN relationships.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context or solutions.
  User Guides: Refer to user guides or training materials specific to your organization's implementation of SAP, as they may provide tailored instructions for managing OAN relationships.
  
  By ensuring that all required fields are filled out correctly and that you have specified the end element for the OAN relationship, you should be able to resolve the MPE_OAN066 error.