Message type: E = Error
Message class:  FIBE_VAT - Belgium VAT Declaration 
Message number: 000
Message text: An amount is reported in box 1 and/or 2 and/or 3, but not in box 54
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The SAP error message FIBE_VAT000 indicates that there is a discrepancy in the VAT reporting for a transaction. Specifically, it means that an amount has been reported in one or more of the VAT boxes (1, 2, or 3) but has not been reported in box 54, which typically represents the total VAT amount that needs to be declared.
Cause: Missing Data: The most common cause of this error is that the VAT amount is not being correctly calculated or reported in box 54. This could be due to missing or incorrect configuration in the VAT settings. Incorrect Posting: The transaction may have been posted incorrectly, leading to amounts being reported in the wrong boxes.
Configuration Issues: There may be issues with the VAT configuration in the SAP system, such as incorrect tax codes or settings that do not align with the reporting requirements. Data Entry Errors: Manual data entry errors can also lead to
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