How To Fix MA428 - Calculation of proportional factors terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 428

• Message text: Calculation of proportional factors terminated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MA428 - Calculation of proportional factors terminated ?

  The SAP error message MA428, which states "Calculation of proportional factors terminated," typically occurs in the context of Material Management (MM) or Production Planning (PP) modules when there is an issue with the calculation of proportional factors for materials or production orders. This error can arise due to various reasons, including data inconsistencies, configuration issues, or missing information.
  Causes:
  
  
  Missing or Incomplete Data: Required data for the calculation of proportional factors may be missing or incomplete. This can include missing material master data, BOM (Bill of Materials) data, or routing information.
  
  
  Configuration Issues: Incorrect configuration in the material master or in the settings for the calculation of proportional factors can lead to this error.
  
  
  Inconsistent Data: There may be inconsistencies in the data related to the materials or production orders, such as mismatched units of measure or incorrect quantities.
  
  
  Locked or Inactive Records: If the records required for the calculation are locked or inactive, the system may not be able to perform the necessary calculations.
  
  
  Custom Code or Enhancements: If there are custom developments or enhancements in the system that affect the calculation process, they may introduce errors.
  
  
  Solutions:
  
  
  Check Data Completeness: Ensure that all necessary data for the materials, BOMs, and routings are complete and accurate. Verify that all required fields are filled in the material master and BOM.
  
  
  Review Configuration Settings: Check the configuration settings related to the calculation of proportional factors. Ensure that they are set up correctly according to your business requirements.
  
  
  Data Consistency Check: Run consistency checks on the relevant data. You can use transaction codes like MM02 for material master or CS02 for BOM to verify the data.
  
  
  Unlock Records: If any records are locked, work with your SAP Basis team to unlock them or check if they are inactive and need to be activated.
  
  
  Debug Custom Code: If there are custom developments, debug the code to identify any issues that may be causing the error. Work with your ABAP developers if necessary.
  
  
  Consult SAP Notes: 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.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02, CS02, CO02, and CO03 for managing materials, BOMs, and production orders.
  SAP Documentation: Review SAP documentation related to material management and production planning for more insights into the calculation of proportional factors.
  User 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 and resolve the underlying cause of the MA428 error in your SAP system.