How To Fix 5U406 - Language key/Conversion type &/& combination has not been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: 5U - HR US: Messages

• Message number: 406

• Message text: Language key/Conversion type &/& combination has not been defined

What causes this issue?

The language key and conversion type has not been defined.

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 that this has been correctly defined in view V_T596U, Conversion
table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5U406 - Language key/Conversion type &/& combination has not been defined ?

  The SAP error message 5U406 indicates that there is an issue with the language key and conversion type combination in the system. This error typically arises when the system is unable to find a valid mapping for the specified language and conversion type, which can occur in various contexts, such as data conversion, reporting, or when processing certain transactions.
  Cause:
  
  Missing Configuration: The language key and conversion type combination has not been defined in the system configuration.
  Incorrect Data Entry: The user may have entered an invalid language key or conversion type that does not exist in the system.
  Custom Development: If there are custom programs or enhancements, they may not be handling the language and conversion type correctly.
  Transport Issues: If the configuration was transported from another system, it may not have included the necessary definitions.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the relevant configuration settings in SAP (usually in transaction SPRO).
  Navigate to the section where language keys and conversion types are defined.
  Ensure that the combination you are trying to use is present and correctly configured.
  
  
  
  Validate Data Entry:
  
  Double-check the input values for the language key and conversion type to ensure they are correct.
  Use valid values as per the system's configuration.
  
  
  
  Review Custom Code:
  
  If the error occurs in a custom program, review the code to ensure it is correctly handling language keys and conversion types.
  Check for any hardcoded values that may not match the defined combinations.
  
  
  
  Transport Requests:
  
  If the issue arose after a transport, verify that all necessary objects and configurations were included in the transport request.
  If needed, re-transport the missing configurations.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the language key and conversion type settings.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (for configuration), SE11 (for data dictionary), or SE80 (for development) to investigate further.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that could provide more insight into the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.