How To Fix EM059 - Error in conversion exit &1 (legacy system key: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: EM - IS-U Migration

• Message number: 059

• Message text: Error in conversion exit &1 (legacy system key: &2)

What causes this issue?

An error occurred during the &V1& conversion of field &V3&. The current
data record with legacy system key &V2& was determined to be incorrect
and was rejected.

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?

Check the data record for legacy system key &V2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EM059 - Error in conversion exit &1 (legacy system key: &2) ?

  The SAP error message EM059 indicates that there is an issue with a conversion exit in the system. This error typically occurs when the system is trying to convert a value from a legacy system format to a format that SAP can understand, and it fails to do so. The message provides two parameters: &1 represents the name of the conversion exit that is causing the issue, and &2 represents the legacy system key that is being processed.
  Causes:
  
  Incorrect Data Format: The data being passed to the conversion exit may not be in the expected format. For example, if the conversion exit expects a numeric value but receives a string, it will fail.
  Missing or Inactive Conversion Exit: The conversion exit specified may not be defined in the system or may be inactive.
  Configuration Issues: There may be issues with the configuration of the conversion exit in the SAP system.
  Data Type Mismatch: The data type of the field being converted may not match the expected data type for the conversion exit.
  
  Solutions:
  
  Check Data Format: Verify that the data being passed to the conversion exit is in the correct format. Ensure that it adheres to the expected input requirements.
  Review Conversion Exit: Check if the conversion exit specified in the error message is correctly defined in the system. You can do this by using transaction code SE11 (Data Dictionary) to look up the conversion exit.
  Activate Conversion Exit: If the conversion exit is inactive, activate it. This can usually be done in the same transaction (SE11).
  Debugging: If the issue persists, consider debugging the program or function module that is calling the conversion exit to identify the exact point of failure.
  Consult Documentation: Review SAP documentation or help resources for the specific conversion exit to understand its expected input and output formats.
  Data Cleansing: If the data is coming from a legacy system, ensure that it has been cleansed and transformed appropriately before being imported into SAP.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE37 (Function Module), SE80 (Object Navigator).
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific conversion exit.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the EM059 error and implement a solution to resolve it.