Message type: E = Error
Message class:  J3R_LEGAL_FORMS - Legal forms RU 
Message number: 064
Message text: Previous advance is not found. Special G/L Indicator does not match
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The SAP error message J3R_LEGAL_FORMS064 indicates that there is an issue with the processing of a special G/L transaction related to legal forms, specifically that a previous advance is not found and the special G/L indicator does not match.
Cause: Missing Previous Advance: The system is unable to find a corresponding advance payment that should have been recorded prior to the current transaction. This could happen if the advance was not posted correctly or if it was deleted. Special G/L Indicator Mismatch: The special G/L indicator used in the current transaction does not match the one that was used in the previous advance. This could occur if there was a change in the configuration or if the wrong indicator was selected during the transaction.
Solution: Check Previous Transactions: Verify if the advance payment that should correspond to the current transaction has been posted. You can do this by checking the relevant accounting documents in the
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