How To Fix /SAPAPO/PDRP500 - No negative values permitted for percentage values

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDRP -

• Message number: 500

• Message text: No negative values permitted for percentage values

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PDRP500 - No negative values permitted for percentage values ?

  The SAP error message /SAPAPO/PDRP500 No negative values permitted for percentage values typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with planning data that involves percentage values. This error indicates that a negative value has been entered where only positive percentages are allowed.
  Cause:
  
  Data Entry Error: A user may have inadvertently entered a negative percentage in a field that only accepts positive values (e.g., forecast percentages, allocation percentages).
  Master Data Issues: The master data or configuration settings may have incorrect values that lead to negative percentages being calculated or displayed.
  Calculation Errors: If there are formulas or calculations that derive percentage values, they may be incorrectly set up, resulting in negative outputs.
  
  Solution:
  
  Check Input Values: Review the input values in the relevant transaction or planning book. Ensure that all percentage fields contain valid positive values.
  Review Master Data: Check the master data settings for the relevant materials, products, or resources to ensure that no negative values are defined.
  Adjust Calculations: If the error arises from calculated fields, review the formulas or logic used to derive these percentages. Ensure that they are set up correctly to avoid negative results.
  Data Validation: Implement data validation checks to prevent negative values from being entered in the future. This can be done through user exits or validation rules in the system.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the fields and values that are allowed in the context of your planning scenario.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may be using transaction codes like /SAPAPO/DP (Demand Planning) or /SAPAPO/SNP (Supply Network Planning).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context or fixes.
  User Exits and BAdIs: If you have custom logic in your planning processes, review any user exits or Business Add-Ins (BAdIs) that might be affecting the data entry or calculations.
  
  By following these steps, you should be able to identify the source of the error and implement a solution to resolve it.