How To Fix E0255 - No default values could be determined from port description &1

SAP Error Message - Details

• Message type: E = Error

• Message class: E0 - SAP EDI messages

• Message number: 255

• Message text: No default values could be determined from port description &1

What causes this issue?

The system was not able to determine all default values from the
<GL:Port>port</> that you specified for testing.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Amend the port description for the port &V1&.
<DS:TRAN.WE21>Execute function</>

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message E0255 - No default values could be determined from port description &1 ?

  The SAP error message E0255, which states "No default values could be determined from port description &1," typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when there is an issue with the configuration of a message mapping or interface mapping.
  Cause:
  
  
  Missing or Incorrect Port Description: The error indicates that the system is unable to find default values for the specified port description. This could be due to:
  
  The port description not being defined correctly.
  The port description not being activated or not existing in the system.
  The mapping not being able to retrieve the necessary information from the defined port.
  
  
  
  Configuration Issues: There may be issues in the configuration of the integration scenario, such as:
  
  Incorrectly configured sender or receiver agreements.
  Missing or incorrect parameters in the message mapping.
  
  
  
  Data Type Mismatch: If the data types expected by the mapping do not match the data types provided by the port description, this can lead to the error.
  
  
  Solution:
  
  
  Check Port Description: Verify that the port description specified in the error message exists and is correctly configured. Ensure that it is activated and that all necessary parameters are set.
  
  
  Review Mapping Configuration: 
  
  Go to the message mapping or interface mapping and check if the mappings are correctly defined.
  Ensure that the source and target structures are correctly aligned and that all required fields are mapped.
  
  
  
  Sender/Receiver Agreement: Check the sender and receiver agreements in the Integration Directory to ensure they are correctly set up and that the port description is correctly referenced.
  
  
  Test the Mapping: Use the mapping test tool in SAP PI/PO to test the mapping with sample data to see if it works as expected. This can help identify if the issue is with the mapping logic itself.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as sometimes bugs in earlier versions can lead to such errors.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP PI/PO you are using for any known issues or additional troubleshooting steps.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific notes related to error E0255, as they may provide additional insights or solutions.
  Community Forums: SAP Community and other forums can be helpful to see if other users have encountered the same issue and what solutions they found.
  Logs and Traces: Review the logs and traces in the SAP system to gather more information about the error context, which can help in diagnosing the issue.
  
  By following these steps, you should be able to identify and resolve the cause of the E0255 error in your SAP environment.