How To Fix 8Z379 - System error: Overflow during material unit conversion (Mat. & Inv. &)

SAP Error Message - Details

• Message type: E = Error

• Message class: 8Z - Messages for Inflation Adjustment

• Message number: 379

• Message text: System error: Overflow during material unit conversion (Mat. & Inv. &)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 8Z379 - System error: Overflow during material unit conversion (Mat. & Inv. &) ?

  The SAP error message 8Z379, which indicates a "System error: Overflow during material unit conversion," typically occurs when there is an issue with the conversion of material quantities between different units of measure. This can happen in various scenarios, such as during goods movements, inventory management, or when processing material documents.
  Causes:
  
  Large Quantity Values: The error may occur if the quantity being processed exceeds the maximum limit that can be handled by the system for the specified unit of measure.
  Incorrect Unit of Measure Configuration: If the conversion factors between different units of measure are not set up correctly, it can lead to overflow errors.
  Data Type Limitations: The data types used for storing quantities may not be able to accommodate the values being processed, leading to overflow.
  Custom Code or Enhancements: If there are custom programs or enhancements that manipulate material quantities, they may not handle large values correctly.
  
  Solutions:
  
  Check Quantity Values: Review the quantity being processed to ensure it is within acceptable limits. If the quantity is excessively large, consider breaking it down into smaller transactions.
  Review Unit of Measure Settings: Go to the material master data and check the unit of measure settings. Ensure that the conversion factors are correctly defined and that there are no discrepancies.
  Data Type Review: If you have access to the ABAP code or custom programs, check the data types used for handling quantities. Ensure they are appropriate for the expected range of values.
  SAP Notes and Support: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Testing in a Development Environment: If you suspect that custom code is causing the issue, replicate the scenario in a development environment to debug and identify the root cause.
  Consult with SAP Basis or Technical Team: If the issue persists, it may be necessary to involve your SAP Basis or technical team to analyze system logs and trace the error further.
  
  Related Information:
  
  SAP Documentation: Review SAP documentation related to material management and unit of measure conversions for best practices and guidelines.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and MB1A (Goods Withdrawal) to investigate material master data and transactions.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the overflow error and implement a suitable solution.