How To Fix MW857 - Quantity value rounded off by system

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 857

• Message text: Quantity value rounded off by system

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW857 - Quantity value rounded off by system ?

  The SAP error message MW857 ("Quantity value rounded off by system") typically occurs when the system rounds off a quantity value during a transaction, which can lead to discrepancies or issues in inventory management, order processing, or other related functions. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  
  Decimal Places Configuration: The rounding issue often arises due to the configuration of decimal places for quantity fields in the material master or in the specific transaction. If the quantity being processed has more decimal places than allowed, the system will round it off.
  
  
  Unit of Measure (UoM): The unit of measure defined for the material may have restrictions on the number of decimal places. If the quantity exceeds this limit, it will be rounded.
  
  
  Rounding Rules: SAP has specific rounding rules that may apply based on the configuration in the system. If the quantity does not conform to these rules, it may be rounded off.
  
  
  Solutions:
  
  
  Check Material Master Settings: 
  
  Go to the material master record (transaction code MM03) and check the settings for the relevant material. Ensure that the decimal places for the base unit of measure and any alternative units of measure are correctly configured.
  
  
  
  Review Unit of Measure Settings:
  
  Ensure that the unit of measure used in the transaction allows for the required number of decimal places. You can check this in the material master or in the unit of measure settings.
  
  
  
  Adjust Rounding Settings:
  
  If necessary, adjust the rounding settings in the configuration. This can be done in the customizing settings (transaction code SPRO) under the relevant modules (e.g., Materials Management).
  
  
  
  Transaction Review:
  
  Review the transaction that triggered the error. Ensure that the quantities being entered are within the acceptable range and format as defined in the material master.
  
  
  
  User Training:
  
  Ensure that users are trained on the correct entry of quantities and the implications of rounding in SAP.
  
  
  
  Related Information:
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message. SAP Notes often provide patches or additional configuration guidance.
  
  
  Documentation: Review SAP documentation related to inventory management and unit of measure settings for a deeper understanding of how quantities are handled in the system.
  
  
  Testing: After making any changes, conduct thorough testing to ensure that the issue is resolved and that no new issues arise from the changes made.
  
  
  By addressing the underlying causes and ensuring proper configuration, you can resolve the MW857 error and prevent it from occurring in the future.