How To Fix E7041 - Assignment of an external key is not permissible

SAP Error Message - Details

• Message type: E = Error

• Message class: E7 - IS-U master data

• Message number: 041

• Message text: Assignment of an external key is not permissible

What causes this issue?

You have attempted to create a connection object or a device location
by assigning an external key, although this is not permitted.

System Response

The transaction was terminated.

How to fix this error?

Do not enter a key when creating a connection object or device
location.

Procedure for System Administrators

Table <DS:SIMG._ISUBD_000002>TE130</> may not be correctly maintained.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E7041 - Assignment of an external key is not permissible ?

  The SAP error message E7041, "Assignment of an external key is not permissible," typically occurs when there is an attempt to assign an external key (like a key from an external system) to a field or object in SAP that does not allow such assignments. This can happen in various contexts, such as during data import, integration with external systems, or when working with certain SAP modules.
  Causes:
  
  Data Type Mismatch: The external key being assigned may not match the expected data type or format in SAP.
  Field Restrictions: The field or object you are trying to assign the external key to may have restrictions that prevent external keys from being assigned.
  Configuration Issues: There may be configuration settings in the SAP system that restrict the use of external keys for certain operations.
  Incorrect Mapping: If you are using middleware or data transfer tools, the mapping between the external key and the SAP field may be incorrect.
  
  Solutions:
  
  Check Data Types: Ensure that the external key you are trying to assign matches the expected data type and format in SAP.
  Review Field Properties: Check the properties of the field or object in SAP to see if it allows external keys. If it does not, you may need to find an alternative approach.
  Adjust Configuration: If applicable, review the configuration settings in the SAP system to see if there are any restrictions on the use of external keys and adjust them accordingly.
  Correct Mapping: If you are using middleware or data transfer tools, verify that the mapping between the external key and the SAP field is correct. Make necessary adjustments to ensure proper mapping.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance related to the module or process you are working with.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Depending on the context, you may need to use specific transaction codes (like SE11 for data dictionary, SE37 for function modules, etc.) to investigate the issue further.
  Debugging: If you have access to development tools, consider debugging the process to identify where the assignment is failing and why.
  Community Forums: SAP Community and other forums can be valuable resources for finding similar issues faced by other users and their solutions.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more tailored assistance based on your specific SAP environment and configuration.