How To Fix MPE_OAN135 - OA &1 version &2 referenced in characteristic assignment &3 &4 is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 135

• Message text: OA &1 version &2 referenced in characteristic assignment &3 &4 is unknown

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN135 - OA &1 version &2 referenced in characteristic assignment &3 &4 is unknown ?

  The SAP error message MPE_OAN135 typically indicates an issue related to the assignment of characteristics in the context of Object Attributes (OA) in SAP. This error suggests that the system is unable to recognize or find the specified version of the object attribute in the characteristic assignment.
  Cause:
  
  Unknown Version: The version specified in the error message may not exist in the system. This could happen if the version was deleted or never created.
  Incorrect Characteristic Assignment: The characteristic assignment may be incorrectly configured, leading to the system being unable to locate the specified version.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the database tables that manage object attributes and their versions.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or access the specified version.
  
  Solution:
  
  Check Version Existence: Verify that the version specified in the error message actually exists in the system. You can do this by navigating to the relevant transaction (e.g., using transaction codes like OAN1 or OAN2) to check the object attributes and their versions.
  Review Characteristic Assignment: Ensure that the characteristic assignment is correctly configured. Check if the characteristics are properly linked to the object attributes and that the version is correctly referenced.
  Data Consistency Check: Run consistency checks on the relevant tables to ensure that there are no missing or inconsistent entries. You may need to consult with your SAP Basis or technical team for this.
  Authorization Check: Ensure that the user encountering the error has the necessary authorizations to access the object attributes and their versions. This may involve checking user roles and permissions.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional troubleshooting steps or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OAN1 (Create Object Attribute), OAN2 (Change Object Attribute), and OAN3 (Display Object Attribute).
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message. You can search for the error message number in the SAP Support Portal.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with the error message details and any steps you have already taken.
  
  By following these steps, you should be able to identify and resolve the issue related to the MPE_OAN135 error message in SAP.