How To Fix AG816 - Rounding: Previous schedule lines were rounded down by &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AG - Nachrichten ATP-Server

• Message number: 816

• Message text: Rounding: Previous schedule lines were rounded down by &1 &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AG816 - Rounding: Previous schedule lines were rounded down by &1 &2 ?

  The SAP error message AG816, which states "Rounding: Previous schedule lines were rounded down by &1 &2," typically occurs in the context of materials management and production planning. This message indicates that the system has rounded down the quantities of previous schedule lines during the calculation of planned orders or purchase orders, which can lead to discrepancies in the expected quantities.
  Cause:
  
  Rounding Rules: The error is often caused by the rounding rules defined in the material master or in the configuration settings. If the quantity of a scheduled line does not meet the minimum quantity for rounding, the system may round it down.
  Unit of Measure (UoM): The unit of measure settings for the material may not align with the expected quantities, leading to rounding issues.
  Configuration Settings: The settings in the material master or the configuration for the specific plant or storage location may not be set up correctly, causing the system to apply rounding inappropriately.
  
  Solution:
  
  Check Material Master Settings: Review the material master data for the affected material. Pay special attention to the rounding settings and the unit of measure.
  Adjust Rounding Rules: If necessary, adjust the rounding rules in the material master or in the configuration settings to ensure that they align with your business requirements.
  Review Production and Planning Settings: Check the settings in the production planning module to ensure that they are configured correctly for the specific processes you are using.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on rounding settings and how they can be adjusted.
  Test Changes: After making adjustments, test the changes in a development or quality environment before applying them to production to ensure that the issue is resolved without introducing new problems.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional guidance on rounding issues.
  Transaction Codes: Use transaction codes like MM03 (Display Material), MM02 (Change Material), or OMDU (Maintain Units of Measure) to review and adjust settings.
  User Exits and BAdIs: If the rounding behavior is not meeting your requirements, consider implementing user exits or Business Add-Ins (BAdIs) to customize the rounding logic.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP MM or PP modules for further assistance.