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

TU521 - Overview

• 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.

TU521 - Details

• 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.