How To Fix MA160 - The sum of the proportional factors is not 100%

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 160

• Message text: The sum of the proportional factors is not 100%

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MA160 - The sum of the proportional factors is not 100% ?

  The SAP error message MA160, which states "The sum of the proportional factors is not 100%," typically occurs in the context of Material Management (MM) or Production Planning (PP) when dealing with cost distribution or allocation processes. This error indicates that the proportional factors assigned to a particular cost element or allocation do not add up to 100%, which is a requirement for the system to process the allocation correctly.
  Cause:
  
  
  Incorrect Proportional Factors: The most common cause is that the proportional factors assigned to the various cost elements or components do not total 100%. This can happen if:
  
  The user manually entered the factors and made a mistake.
  Changes were made to the factors, but the total was not adjusted accordingly.
  There are missing entries or miscalculations in the proportional factors.
  
  
  
  Configuration Issues: Sometimes, the configuration settings in the system may not be set up correctly, leading to this error.
  
  
  Data Entry Errors: Errors during data entry, such as omitting a factor or entering an incorrect value, can also lead to this issue.
  
  
  Solution:
  
  
  Check Proportional Factors: Review the proportional factors assigned to the relevant cost elements or components. Ensure that they add up to exactly 100%. If they do not, adjust the values accordingly.
  
  
  Recalculate: If the factors are derived from other calculations, ensure that those calculations are correct and that the resulting factors sum to 100%.
  
  
  Review Configuration: If you suspect a configuration issue, consult with your SAP configuration team to ensure that the settings for cost allocation or distribution are correct.
  
  
  Data Entry Verification: Double-check the data entry for any mistakes or omissions. Ensure that all necessary factors are included and correctly calculated.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the transaction or process you are working with, as there may be additional context or requirements.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using transaction codes like CK11N (Create Material Cost Estimate) or CK40N (Cost Object Controlling) when encountering this error.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its system, and there may be specific notes addressing this issue.
  User Forums: Consider visiting 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 issue causing the MA160 error in SAP.