How To Fix HUFUNCTIONS121 - No conversion between &1 and &2 found

SAP Error Message - Details

• Message type: E = Error

• Message class: HUFUNCTIONS - Messages from FB with HU services without global t.

• Message number: 121

• Message text: No conversion between &1 and &2 found

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message HUFUNCTIONS121 - No conversion between &1 and &2 found ?

  The SAP error message HUFUNCTIONS121 indicates that there is no conversion available between two specified data types or formats in the context of handling Handling Units (HUs). This error typically arises when the system attempts to perform an operation that requires converting one data type to another, but the necessary conversion logic is not defined or available.
  Cause:
  
  Data Type Mismatch: The error usually occurs when there is an attempt to convert between incompatible data types, such as trying to convert a string to a numeric type or between different formats of handling units.
  Configuration Issues: There may be missing or incorrect configuration settings in the handling unit management (HUM) module.
  Custom Code: If there are custom enhancements or modifications in the system, they might not handle certain data types correctly, leading to this error.
  Inconsistent Data: The data being processed may not conform to expected formats or types, leading to conversion failures.
  
  Solution:
  
  Check Data Types: Review the data types of the variables involved in the operation that triggered the error. Ensure that they are compatible and that the correct conversion logic is applied.
  Review Custom Code: If there are any custom developments related to handling units, check the code for any conversion logic that may be missing or incorrect.
  Configuration Review: Go through the configuration settings in the HUM module to ensure that all necessary settings are correctly defined. This includes checking the settings for handling unit types and their attributes.
  Debugging: Use the SAP debugger to trace the execution of the program and identify the exact point where the error occurs. This can provide insights into what data is being processed and why the conversion fails.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide guidance on handling similar issues.
  Consult Documentation: Review the official SAP documentation for Handling Unit Management to ensure that you are following the correct procedures and using the right data types.
  
  Related Information:
  
  Handling Units (HUs): In SAP, handling units are used to manage packaging and logistics processes. They can represent physical items, pallets, or containers.
  Data Types in ABAP: Understanding the different data types in ABAP (Advanced Business Application Programming) is crucial for troubleshooting conversion issues.
  SAP Community: Engaging with the SAP Community forums can provide additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.