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

EA274 - Overview

• 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.

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Error message extract from SAP system. Copyright SAP SE.

EA274 - Details

• 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