How To Fix EM141 - External system key &1 allocated to IS-U system key &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 141

• Message text: External system key &1 allocated to IS-U system key &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message EM141 - External system key &1 allocated to IS-U system key &2 ?

  The SAP error message EM141 indicates that there is a conflict with the external system key that has been allocated to a specific IS-U (Utilities) system key. This typically occurs in the context of integrating external systems with SAP IS-U, where unique identifiers (keys) are used to map data between the systems.
  Cause:
  
  Duplicate Keys: The external system key you are trying to allocate is already assigned to another IS-U system key. This can happen if there are multiple entries in the database that conflict with the key you are trying to use.
  Incorrect Configuration: There may be a misconfiguration in the mapping between the external system and the IS-U system, leading to attempts to allocate keys that are already in use.
  Data Migration Issues: If data has been migrated from another system, there may be inconsistencies or duplicates in the keys that were imported.
  
  Solution:
  
  Check Existing Allocations: Review the existing allocations of external system keys to IS-U system keys. You can do this by accessing the relevant transaction codes in SAP (e.g., transaction code EAM1 for external system keys).
  Identify Conflicts: Identify which external system key is causing the conflict and determine if it is indeed allocated to another IS-U system key.
  Reassign or Delete: If the external system key is not needed, you can delete the existing allocation or reassign it to the correct IS-U system key.
  Correct Configuration: Ensure that the configuration settings for the integration between the external system and IS-U are correct. This may involve checking the mapping tables or settings in the SAP system.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of IS-U you are using for any additional troubleshooting steps or known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as EAM1, EAM2, or EAM3 for managing external system keys.
  SAP Notes: Check SAP Notes for any updates or patches that may address this issue.
  Integration Scenarios: Understand the integration scenarios between your external system and SAP IS-U, as this can provide context for why the error is occurring.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to resolve the EM141 error and ensure that your external system keys are correctly allocated to the appropriate IS-U system keys.