How To Fix /SAPAPO/MAT177 - Minimum lot size should be a multiple of the rounding value

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 177

• Message text: Minimum lot size should be a multiple of the rounding value

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MAT177 - Minimum lot size should be a multiple of the rounding value ?

  The SAP error message /SAPAPO/MAT177 indicates that there is an issue with the minimum lot size defined for a material in the Advanced Planning and Optimization (APO) module. Specifically, it states that the minimum lot size must be a multiple of the rounding value. This error typically arises during planning activities, such as when creating a production order or during the planning run.
  Cause:
  
  
  Minimum Lot Size Configuration: The minimum lot size for the material is set in such a way that it is not a multiple of the rounding value defined for that material. For example, if the minimum lot size is set to 100 units and the rounding value is set to 30 units, this will trigger the error because 100 is not a multiple of 30.
  
  
  Rounding Value Configuration: The rounding value may have been set incorrectly or may not align with the business requirements or production processes.
  
  
  Material Master Data: The settings in the material master data (specifically in the MRP or production data views) may not be consistent with the requirements of the planning process.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master data for the affected material (transaction code MM02).
  Navigate to the MRP or Production views and check the settings for minimum lot size and rounding value.
  
  
  
  Adjust Minimum Lot Size or Rounding Value:
  
  If the minimum lot size is not a multiple of the rounding value, you can either:
  
  Change the minimum lot size to a value that is a multiple of the rounding value.
  Change the rounding value to a value that is a divisor of the minimum lot size.
  
  
  
  
  
  Consult with Business Users:
  
  Before making changes, consult with relevant business users or stakeholders to ensure that the adjustments align with business processes and requirements.
  
  
  
  Test Changes:
  
  After making the necessary adjustments, perform a test run to ensure that the error no longer occurs and that the planning process works as expected.
  
  
  
  Documentation:
  
  Document any changes made to the material master data for future reference and to maintain a clear audit trail.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM02: Change Material Master
  MD04: Stock/Requirements List (to check the impact of changes)
  MD01: MRP Run (to test the planning run after changes)
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  
  Training and Documentation: Ensure that users involved in material planning are trained on how to set up and maintain material master data correctly to avoid similar issues in the future.
  
  
  By following these steps, you should be able to resolve the /SAPAPO/MAT177 error and ensure that your planning processes run smoothly.