How To Fix TU521 - Portion &3 of contract &1 does not correspond with portion &4 of contr &2

SAP Error Message - Details

• Message type: E = Error

• Message class: TU - Billing/Scheduling/Budget Billing

• Message number: 521

• Message text: Portion &3 of contract &1 does not correspond with portion &4 of contr &2

What causes this issue?

You have tried to execute a function (such as copy payment plan for
supplier change) for which it is necessary that the portion (&V3&)
allocated to contract &V1& is identical to portion &V4&, which is
allocated to contract &V2&.
In this case, this condition has not been fulfilled.

System Response

INCLUDE ISU_VERARB OBJECT DOKU ID TX

How to fix this error?

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

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 TU521 - Portion &3 of contract &1 does not correspond with portion &4 of contr &2 ?

  The SAP error message TU521 indicates a mismatch between portions of two contracts in the system. Specifically, it suggests that a portion of one contract does not correspond with a portion of another contract. This error typically arises in the context of contract management, particularly when dealing with contract items or portions that are expected to align but do not.
  Cause:
  
  Data Mismatch: The most common cause of this error is that the portions of the contracts being compared or processed do not match in terms of quantity, value, or other relevant attributes.
  Incorrect Contract Reference: The system may be referencing the wrong contract or portion, leading to discrepancies.
  Configuration Issues: There may be configuration settings in the contract management module that are not set up correctly, leading to inconsistencies.
  Manual Entry Errors: Errors during manual data entry can lead to mismatched portions.
  
  Solution:
  
  Verify Contract Details: Check the details of both contracts involved in the error. Ensure that the portions being referenced are correct and that they match in terms of quantity, value, and other relevant attributes.
  Check Contract References: Ensure that the correct contracts are being referenced in the transaction. If there is a mistake in the contract number or portion number, correct it.
  Review Configuration: If the issue persists, review the configuration settings in the contract management module to ensure they are set up correctly.
  Data Consistency Check: Run a consistency check on the contracts to identify any discrepancies or issues that need to be resolved.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and its resolution.
  Contact Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal IT team for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that pertain to contract management, such as ME33K (Display Contract) or ME31K (Create Contract).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that can resolve the issue.
  User Roles and Permissions: Ensure that the user has the appropriate roles and permissions to access and modify the contracts in question.
  
  By following these steps, you should be able to identify and resolve the issue causing the TU521 error message in SAP.