How To Fix WB2B451 - Contract settlement requires class-based accounting document creation

SAP Error Message - Details

• Message type: E = Error

• Message class: WB2B - Trading Contract

• Message number: 451

• Message text: Contract settlement requires class-based accounting document creation

What causes this issue?

To perform the contract settlement process, posting rules in the
Settlement Management solution are required and these are only supported
if the <ZK>Class-Based Accounting Document Creation </>is activated.

System Response

Contract Settlement not possible.

How to fix this error?

Activate <ZK>Class-Based Accounting Document Creation </>for the
Settlement Documents in the Customizing for Settlement Management.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WB2B451 - Contract settlement requires class-based accounting document creation ?

  The SAP error message WB2B451 indicates that there is an issue with contract settlement in the context of class-based accounting. This error typically arises when the system requires a class-based accounting document to be created for the settlement process, but it is unable to do so due to certain conditions not being met.
  Cause:
  
  Missing Configuration: The system may not be properly configured to handle class-based accounting for the specific contract or settlement type.
  Incorrect Master Data: The master data related to the contract or the materials involved may not be set up correctly, leading to issues in generating the required accounting documents.
  Settlement Profile Issues: The settlement profile assigned to the contract may not support class-based accounting.
  Missing Class Assignment: The relevant classes for the materials or contracts may not be assigned or defined in the system.
  
  Solution:
  
  
  Check Configuration:
  
  Ensure that the configuration for class-based accounting is correctly set up in the system. This includes checking the settings in the relevant customizing transactions (e.g., SPRO).
  Verify that the settlement profile assigned to the contract supports class-based accounting.
  
  
  
  Review Master Data:
  
  Check the master data for the materials or contracts involved. Ensure that all necessary fields are filled out correctly and that the relevant classes are assigned.
  
  
  
  Adjust Settlement Profile:
  
  If the current settlement profile does not support class-based accounting, consider creating or modifying a settlement profile that does.
  
  
  
  Class Assignment:
  
  Ensure that the necessary classes are assigned to the materials or contracts. This may involve checking the classification view in the material master or contract master data.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to class-based accounting and contract settlement for any additional guidance or specific configurations that may be required.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test settlement to ensure that the error is resolved and that the accounting document is created successfully.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SPRO: For configuration settings.
  MM02: For material master changes.
  CJ20N: For project management and contract-related activities.
  
  
  User Roles: Ensure that the user performing the settlement has the necessary authorizations to execute the required transactions.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.