How To Fix 1G420 - &1 &2: Account balancing posting not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: 1G - BKK: Konditionen

• Message number: 420

• Message text: &1 &2: Account balancing posting not possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1G420 - &1 &2: Account balancing posting not possible ?

  The SAP error message 1G420 with the description "Account balancing posting not possible" typically occurs during financial postings when the system detects that the accounts involved in the transaction do not balance correctly. This can happen in various scenarios, such as during the posting of journal entries, invoices, or other financial documents.
  Causes:
  
  
  Unbalanced Entries: The most common cause is that the debit and credit entries do not match. For example, if you are trying to post a journal entry where the total debits do not equal the total credits, this error will occur.
  
  
  Incorrect Account Configuration: The accounts involved may not be configured correctly in the system, leading to issues with balancing.
  
  
  Posting Period Issues: If the posting period is closed or not open for the transaction type, it may prevent the posting from being balanced.
  
  
  Currency Differences: If the transaction involves multiple currencies, discrepancies in currency conversion can lead to unbalanced postings.
  
  
  Document Type Restrictions: Certain document types may have restrictions on how they can be posted, which can lead to this error if not adhered to.
  
  
  Solutions:
  
  
  Check the Journal Entry: Review the journal entry or transaction to ensure that the total debits equal the total credits. Make adjustments as necessary.
  
  
  Review Account Configuration: Ensure that the accounts being used in the transaction are set up correctly in the system. Check for any restrictions or settings that may affect the posting.
  
  
  Open Posting Period: Verify that the posting period is open for the transaction type you are trying to post. If it is closed, you may need to open it or post in a different period.
  
  
  Currency Conversion: If the transaction involves multiple currencies, ensure that the currency conversion rates are correct and that the amounts balance out.
  
  
  Document Type Validation: Check if the document type you are using has any specific requirements or restrictions that need to be followed.
  
  
  Consult SAP Notes: Sometimes, specific issues may be documented in SAP Notes. Check the SAP Support Portal for any relevant notes that may address this error.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like FB50 (G/L Account Document Entry) or FB01 (Post Document) to review and correct the entries.
  Error Logs: Check the error logs or the application log for more detailed information about the error.
  SAP Community: Engaging with the SAP Community or forums can provide insights from other users who may have encountered similar issues.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in financial accounting within SAP.