Message type: E = Error
Message class:  FINS_SIS_RECON - Impl. of Doc. Splitting: Reconciliation 
Message number: 101
Message text: &1: Non zero balance (&2) for the first FI currency &3
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The SAP error message FINS_SIS_RECON101 indicates that there is a non-zero balance for the first FI currency in the context of the SAP system's Financial Information System (FIS) or the Special Ledger. This error typically arises during the reconciliation process, where the system expects the balance to be zero but finds that it is not.
Cause: Uncleared Items: There may be open items in the accounts that have not been cleared or settled. Posting Errors: Incorrect postings or transactions that have not been properly reversed or adjusted. Currency Conversion Issues: Discrepancies in currency conversion rates or postings in different currencies that have not been reconciled. Data Inconsistencies: Issues with data integrity, such as missing or incorrect entries in the financial documents.
Configuration Issues: Incorrect configuration in the financial settings or in the Special Ledger setup.
Solution: Review Open Items: Check for any open items in the relevant accounts and clear them as necessary. Use transaction codes like FBL1N,
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