How To Fix EA274 - No entry in conversion table for external segment name &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EA - IDoc Basis Messages

• Message number: 274

• Message text: No entry in conversion table for external segment name &1

What causes this issue?

An attempt was made by the system to determine the external segment
definition '&v1&' from segment '&v2&' for Release '&v3&'. This is not
in accordance with the 3.0/3.1 naming conventions (only names up to 10
characters in length are allowed, and there are no prefixes) and must
be converted, as external transmission is to take place in format
3.0/3.1. However, no appropriate entry could be found in the conversion
table.

System Response

Processing cannot be continued.

How to fix this error?

Maintain the conversion table for segments.

<DS:SIMG.SIMG_OBPTIMAGING>execute function</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EA274 - No entry in conversion table for external segment name &1 ?

  The SAP error message EA274 "No entry in conversion table for external segment name &1" typically occurs when there is an issue with the mapping of external segment names to internal segment names in the SAP system. This error is often related to the use of IDocs (Intermediate Documents) or other data exchange formats where external segment names are expected to be converted to internal representations.
  Cause:
  
  Missing Conversion Entries: The primary cause of this error is that there is no entry in the conversion table for the specified external segment name. This can happen if the external segment name is not defined in the system or if it has been incorrectly configured.
  Incorrect Configuration: The configuration for the IDoc or data exchange process may be incomplete or incorrect, leading to the system not recognizing the external segment name.
  Version Mismatch: If there is a version mismatch between the sending and receiving systems, the external segment names may not align correctly.
  
  Solution:
  
  Check Conversion Table: Verify the conversion table entries for the external segment name in question. You can do this by navigating to the relevant transaction (e.g., WE30 for IDoc types) and checking the mapping.
  Define Missing Entries: If the external segment name is missing, you may need to create a new entry in the conversion table. This can typically be done in transaction WE42 (for maintaining conversion rules).
  Review IDoc Configuration: Ensure that the IDoc type and message type are correctly configured and that all necessary segments are defined.
  Check Partner Profiles: Review the partner profiles (transaction WE20) to ensure that the settings for the partner are correct and that they match the expected configurations.
  Consult Documentation: If you are unsure about the correct external segment names or configurations, consult the relevant SAP documentation or help resources for guidance.
  
  Related Information:
  
  Transaction Codes:
  
  WE30: IDoc Type Development
  WE20: Partner Profiles
  WE42: Maintain Conversion Rules
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Debugging: If the issue persists, consider enabling debugging to trace the IDoc processing and identify where the conversion is failing.
  
  By following these steps, you should be able to resolve the EA274 error and ensure that the external segment names are correctly mapped to their internal counterparts in your SAP system.