How To Fix WS_MASS028 - The percentage may not be greater than 100

SAP Error Message - Details

• Message type: E = Error

• Message class: WS_MASS - Settlement Management: Messages for Mass Processing

• Message number: 028

• Message text: The percentage may not be greater than 100

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WS_MASS028 - The percentage may not be greater than 100 ?

  Certainly! Here's a detailed explanation for the SAP error message WS_MASS028: "The percentage may not be greater than 100":
  
  Error Message:
  WS_MASS028: The percentage may not be greater than 100
  
  Cause:
  This error occurs when you try to enter or update a percentage value in a field (usually related to mass changes, such as wage types, deductions, or other percentage-based fields in HR or Payroll modules) that exceeds the logical maximum of 100%. Since percentages logically cannot be greater than 100%, the system throws this error to prevent invalid data entry.
  Common scenarios include:
  
  Entering a percentage value greater than 100 in wage type adjustments.
  Mass changes in payroll or HR infotypes where percentage fields are updated.
  Incorrect data input or upload via batch input, LSMW, or other data migration tools.
  
  
  Solution:
  
  
  Check the Input Value:
  
  Verify the percentage value you are trying to enter or upload.
  Ensure it does not exceed 100%.
  
  
  
  Correct the Data:
  
  If you are performing a mass change, review the source data file or input screen.
  Adjust the percentage values to be within the valid range (0 to 100).
  
  
  
  Validate Data Uploads:
  
  If using data migration tools (LSMW, BAPIs, etc.), validate the data before upload.
  Implement checks or validations in your data preparation process to prevent invalid percentages.
  
  
  
  Review Custom Code or User Exits:
  
  If the error occurs during a custom program or user exit, check the logic that calculates or assigns percentage values.
  Ensure no calculation results in a value greater than 100.
  
  
  
  SAP Notes and Documentation:
  
  Check for any SAP Notes related to WS_MASS028 for your specific SAP version.
  Sometimes, patches or updates address related issues.
  
  
  
  
  Related Information:
  
  Module Context: This error is commonly seen in SAP HR (Human Resources) and Payroll modules, especially during mass changes or wage type adjustments.
  Transaction Codes: May occur in transactions like PA30, PA70, PU03, or mass change transactions.
  Field Types: Percentage fields in infotypes such as deductions, bonuses, or wage type percentages.
  Data Validation: Always ensure data integrity when performing mass updates or data migration.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WS_MASS028: The percentage may not be greater than 100
  
  
  Cause
  Entering a percentage value > 100% in a percentage field
  
  
  Solution
  Correct the input data to ensure percentage = 100%
  
  
  Related
  HR/Payroll mass changes, wage type adjustments, data migration
  
  
  
  
  If you provide the exact transaction or scenario where this error occurs, I can help with more specific guidance!