How To Fix AH597 - Bill. class &1 cal. value proc. &2 must match billing class &3

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 597

• Message text: Bill. class &1 cal. value proc. &2 must match billing class &3

What causes this issue?

The billing class of the selected calorific value procedure does not
match the billing class of the gas procedure.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH597 - Bill. class &1 cal. value proc. &2 must match billing class &3 ?

  The SAP error message AH597 indicates a mismatch between the billing class and the calculated value for a billing document. This error typically arises during the billing process when the system detects that the billing class of the item does not correspond with the expected billing class based on the calculated value.
  Cause:
  
  Mismatch in Billing Class: The billing class of the item being processed does not match the billing class expected for the calculated value.
  Configuration Issues: There may be configuration issues in the billing settings or pricing procedures that lead to this mismatch.
  Data Entry Errors: Incorrect data entry during the creation of the billing document can lead to this error.
  Master Data Issues: The master data for the customer, material, or pricing conditions may not be set up correctly.
  
  Solution:
  
  
  Check Billing Class Configuration:
  
  Review the configuration settings for billing classes in the SAP system. Ensure that the billing classes are correctly defined and that they align with the expected values for the items being billed.
  
  
  
  Review Pricing Procedure:
  
  Check the pricing procedure assigned to the billing document. Ensure that the pricing conditions and calculations are set up correctly to match the billing class.
  
  
  
  Validate Master Data:
  
  Verify the master data for the customer and material involved in the billing document. Ensure that the billing class and other relevant fields are correctly maintained.
  
  
  
  Correct Data Entry:
  
  If the error is due to incorrect data entry, correct the billing document or the relevant master data and try processing the billing again.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific details on the billing class and how it relates to the calculated values.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the billing process to identify where the mismatch occurs. This may require assistance from a technical consultant.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like VF01 (Create Billing Document), VF02 (Change Billing Document), or VF03 (Display Billing Document) to review and correct the billing documents.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Exits and Enhancements: If custom logic is implemented in the billing process, review any user exits or enhancements that may affect the billing class determination.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it. If the problem continues, it may be beneficial to engage with SAP support or a consultant for further assistance.