How To Fix FARR_CONTRACT_MAIN311 - Distributed invoice of contract &1 doesn't equal to total invoice amount

SAP Error Message - Details

• Message type: E = Error

• Message class: FARR_CONTRACT_MAIN - Revenue Accounting: Contract Management

• Message number: 311

• Message text: Distributed invoice of contract &1 doesn't equal to total invoice amount

Self-Explanatory Message

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• What is the cause and solution for SAP error message FARR_CONTRACT_MAIN311 - Distributed invoice of contract &1 doesn't equal to total invoice amount ?

  The SAP error message FARR_CONTRACT_MAIN311 indicates that there is a discrepancy between the distributed invoice amount of a contract and the total invoice amount. This typically occurs in the context of contract accounting, where the system expects the total amount billed to match the sum of the distributed amounts across various line items or invoices.
  Cause:
  
  Mismatch in Amounts: The total invoice amount does not match the sum of the distributed amounts for the contract. This could be due to manual entry errors, incorrect distribution of amounts, or changes made to the invoice after it was initially created.
  Incomplete Distribution: If the invoice has been partially distributed or if some line items have not been accounted for in the distribution, this can lead to discrepancies.
  Contract Modifications: Changes made to the contract terms or amounts after the invoice has been created can also lead to this error.
  Currency Issues: If there are currency conversions involved, discrepancies can arise if the exchange rates are not consistent or if there are rounding issues.
  
  Solution:
  
  Check Invoice Amounts: Review the total invoice amount and the distributed amounts to identify where the discrepancy lies. Ensure that all line items are accounted for.
  Recalculate Distributions: If there are errors in the distribution, recalculate the amounts and ensure that they sum up to the total invoice amount.
  Adjust Contract or Invoice: If the contract has been modified, ensure that the invoice reflects these changes. You may need to adjust either the contract or the invoice to ensure they match.
  Review Currency Settings: If currency conversion is involved, check the exchange rates and ensure that they are applied correctly. Look for any rounding issues that may have caused the discrepancy.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling contract and invoice discrepancies.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FBL1N (Vendor Line Item Display) or FB03 (Display Document) to review the relevant documents.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  User Roles: Ensure that the user has the appropriate permissions to make changes to contracts and invoices, as restrictions may prevent necessary adjustments.
  Testing: After making adjustments, test the changes in a development or quality assurance environment before applying them in production to avoid further issues.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in contract accounting.