How To Fix HUFUNCTIONS122 - Conversion &1 to &2 causes overflow

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 122

• Message text: Conversion &1 to &2 causes overflow

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message HUFUNCTIONS122 - Conversion &1 to &2 causes overflow ?

  The SAP error message HUFUNCTIONS122 indicates that there is an overflow issue when converting a value from one data type to another. This typically occurs in the context of handling handling units (HUs) in SAP, where the system attempts to convert a numeric value that exceeds the maximum limit of the target data type.
  Cause:
  
  Data Type Mismatch: The source value is larger than what the target data type can accommodate. For example, trying to convert a large integer to a smaller integer type.
  Incorrect Configuration: The configuration of handling units or related master data may not align with the expected data types or limits.
  Data Entry Errors: Manual data entry errors can lead to values that exceed expected limits.
  Custom Code: If there are custom developments or enhancements, they may not handle data conversions properly.
  
  Solution:
  
  Check Data Types: Review the data types involved in the conversion. Ensure that the source value is within the acceptable range of the target data type.
  Adjust Configuration: If the error is related to handling unit configuration, check the settings in the relevant customizing transactions (e.g., HU configuration).
  Data Validation: Implement validation checks to ensure that values being processed do not exceed the limits of the target data type.
  Review Custom Code: If there are custom programs or enhancements, review the code to ensure that it handles data conversions correctly and includes error handling for potential overflows.
  Test with Sample Data: Use sample data that is known to be within limits to test the functionality and identify where the overflow occurs.
  
  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: Use transaction codes like HU02 (Handling Unit Management) or HU03 (Display Handling Unit) to analyze the handling units involved.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure and the values being processed at that time.
  Documentation: Refer to SAP documentation on handling units and data types for more detailed information on limits and configurations.
  
  If the problem continues after trying these solutions, it may be beneficial to reach out to SAP support or consult with a technical expert familiar with your specific SAP environment.