How To Fix CPE128 - Rounding rule &1 not valid on &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CPE - Commodity Pricing Engine

• Message number: 128

• Message text: Rounding rule &1 not valid on &2

What causes this issue?

The rounding rule &V1& does not exist or is not valid on &V2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Choose another rounding rule or check your Customizing settings.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CPE128 - Rounding rule &1 not valid on &2 ?

  The SAP error message CPE128, which states "Rounding rule &1 not valid on &2," typically occurs in the context of pricing or financial calculations within SAP. This error indicates that the rounding rule specified (represented by &1) is not valid for the particular context or object (represented by &2) you are working with.
  Cause:
  
  Invalid Rounding Rule: The rounding rule you are trying to use may not be defined in the system or may not be applicable to the specific transaction or document type.
  Configuration Issues: There may be configuration issues in the pricing procedure or the relevant master data (like material master, customer master, etc.) that lead to the selection of an invalid rounding rule.
  Data Entry Errors: Sometimes, manual data entry errors can lead to the selection of an incorrect rounding rule.
  
  Solution:
  
  
  Check Rounding Rules: Verify the rounding rules defined in your SAP system. You can do this by navigating to the relevant configuration settings in SPRO (SAP Project Reference Object) under:
  
  Logistics > Sales and Distribution > Basic Functions > Pricing > Pricing Control > Define Rounding Rules.
  Ensure that the rounding rule you are trying to use is correctly defined and active.
  
  
  
  Review Configuration: Check the pricing procedure and ensure that the rounding rule is correctly assigned to the relevant condition types. You can do this in the pricing procedure configuration:
  
  Logistics > Sales and Distribution > Basic Functions > Pricing > Pricing Control > Define Pricing Procedures.
  
  
  
  Check Master Data: Review the master data (like customer or material master) to ensure that the correct rounding rules are assigned. Sometimes, the issue may arise from incorrect settings in the master data.
  
  
  Consult Documentation: If you are unsure about the rounding rules or their application, refer to SAP documentation or consult with your SAP functional consultant for guidance.
  
  
  Testing: After making any changes, perform tests to ensure that the error no longer occurs and that the calculations are working as expected.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SPRO: For configuration settings.
  VK11/VK12: For maintaining condition records.
  MM02: For changing material master data.
  
  
  User Exits and BAdIs: If custom logic is involved, check for any user exits or BAdIs that might be affecting the rounding rules.
  
  By following these steps, you should be able to identify the cause of the CPE128 error and implement a solution to resolve it.