How To Fix /AIF/MES120 - Value mapping function &1 did not return a value

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/MES -

• Message number: 120

• Message text: Value mapping function &1 did not return a value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/MES120 - Value mapping function &1 did not return a value ?

  The SAP error message /AIF/MES120 Value mapping function &1 did not return a value typically occurs in the context of the Application Interface Framework (AIF) when a value mapping function is called, but it does not return a valid value. This can happen for various reasons, and understanding the cause and finding a solution involves several steps.
  Causes:
  
  
  Missing Mapping Entries: The value mapping function may not have the necessary entries defined in the mapping table. If the input value does not match any of the defined mappings, it will not return a value.
  
  
  Incorrect Input Value: The input value being passed to the mapping function may be incorrect or not formatted as expected, leading to no match in the mapping table.
  
  
  Configuration Issues: There may be issues with the configuration of the value mapping function itself, such as incorrect settings or parameters.
  
  
  Data Type Mismatch: The data type of the input value may not match the expected data type in the mapping function, causing it to fail to return a value.
  
  
  Function Logic Errors: There could be errors in the logic of the value mapping function that prevent it from returning a value.
  
  
  Solutions:
  
  
  Check Mapping Entries: Verify that the value mapping function has the necessary entries defined. You can do this by navigating to the relevant configuration in the AIF and checking the mapping table.
  
  
  Validate Input Values: Ensure that the input values being passed to the mapping function are correct and formatted properly. You may want to log the input values to see what is being passed.
  
  
  Review Configuration: Check the configuration of the value mapping function to ensure that it is set up correctly. Look for any missing or incorrect settings.
  
  
  Data Type Verification: Ensure that the data types of the input values match the expected data types in the mapping function. If there is a mismatch, you may need to convert the data types accordingly.
  
  
  Debugging: If the issue persists, consider debugging the value mapping function to identify any logical errors in the code that may be preventing it from returning a value.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the AIF and value mapping functions for any specific guidance or known issues.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /AIF/IFMON to monitor interfaces and check for errors.
  SAP Notes: Check SAP Notes for any known issues or patches related to the AIF and value mapping functions.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.