How To Fix 1I001 - Reconciliation key balance not zero (&1, &2, &3, &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: 1I - BCA: General Ledger Integration

• Message number: 001

• Message text: Reconciliation key balance not zero (&1, &2, &3, &4)

What causes this issue?

In bank area &V1& the balance of the reconciliation key &V2&,
supplement &V3&, for all debit and credit amounts in curreny &V4& is
not zero. However, this is required for a correct transfer of the
balances to the general ledger.

How to fix this error?

The data is inconsistent. Inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1I001 - Reconciliation key balance not zero (&1, &2, &3, &4) ?

  The SAP error message 1I001: Reconciliation key balance not zero (&1, &2, &3, &4) typically occurs in the context of financial accounting, particularly when dealing with reconciliation accounts. This error indicates that there is a discrepancy in the balance of a reconciliation key, meaning that the total debits and credits do not match, which is essential for accurate financial reporting.
  Causes:
  
  Uncleared Items: There may be open items in the reconciliation account that have not been cleared or settled.
  Posting Errors: Incorrect postings or entries that do not balance can lead to this error.
  Manual Adjustments: Manual adjustments made to accounts without corresponding entries can create imbalances.
  Data Migration Issues: If data was migrated from another system, discrepancies may arise due to differences in how accounts were handled.
  Configuration Issues: Incorrect configuration of the reconciliation accounts or related settings in the SAP system.
  
  Solutions:
  
  Review Open Items: Check the reconciliation account for any open items that need to be cleared. Use transaction codes like FBL3N (for G/L accounts) to review the items.
  Reconcile Accounts: Ensure that all transactions are properly reconciled. This may involve clearing items or making necessary adjustments.
  Check for Posting Errors: Review recent postings to identify any errors. Correct any incorrect entries that may have caused the imbalance.
  Manual Adjustments: If manual adjustments were made, ensure that they are properly documented and balanced with corresponding entries.
  Data Consistency Check: If the issue arose after a data migration, perform a consistency check to ensure that all data was migrated correctly.
  Consult Configuration: Review the configuration settings for the reconciliation accounts to ensure they are set up correctly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FBL3N (Display G/L Account Line Items), FB03 (Display Document), and F-03 (Clear G/L Account).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation on reconciliation accounts and financial postings for best practices and troubleshooting steps.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve the reconciliation key balance issue.