How To Fix /STMC/CR_MSG816 - Error while transferring UI values; conversion of &1 to &2 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 816

• Message text: Error while transferring UI values; conversion of &1 to &2 not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /STMC/CR_MSG816 - Error while transferring UI values; conversion of &1 to &2 not possible ?

  The SAP error message /STMC/CR_MSG816 indicates that there is an issue with transferring user interface (UI) values, specifically that a conversion from one data type to another is not possible. This error typically arises in scenarios where the system is trying to convert a value from one format to another, but the conversion fails due to incompatible data types or formats.
  Causes:
  
  Data Type Mismatch: The value being transferred may not be compatible with the expected data type. For example, trying to convert a string that contains non-numeric characters into a numeric type.
  Invalid Format: The format of the data being transferred may not match the expected format. For instance, date formats or currency formats that do not align with the system's expectations.
  Null or Empty Values: If the value being transferred is null or empty, the conversion may fail.
  Custom Code Issues: If there are custom enhancements or modifications in the code, they may not handle certain data types correctly.
  
  Solutions:
  
  Check Data Types: Verify the data types of the source and target fields. Ensure that the data being transferred matches the expected types.
  Validate Input Values: Ensure that the values being inputted into the UI are valid and conform to the expected formats. Implement validation checks to catch errors before the transfer occurs.
  Debugging: Use debugging tools to trace the execution of the code where the error occurs. This can help identify the exact point of failure and the values being processed.
  Error Handling: Implement error handling in the code to manage cases where conversion fails. This can include logging the error and providing user-friendly messages.
  Consult Documentation: Review SAP documentation or notes related to the specific transaction or module you are working with. There may be known issues or patches available.
  Testing: Conduct thorough testing with various input values to ensure that the system can handle different scenarios without encountering conversion errors.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: If this error occurs in a specific transaction, look for transaction codes related to that module to find more context.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team or consult with a technical expert who can analyze the specific context of the error in your system.