Message type: E = Error
Message class:  FICZ_VAT - CZ VAT Message Class 
Message number: 004
Message text: Document &1: Date of taxable supply before 1.1.2016 is not allowed
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The SAP error message FICZ_VAT004 indicates that there is an issue with the date of the taxable supply in a document. Specifically, it states that the date of the taxable supply is before January 1, 2016, which is not allowed in the context of VAT (Value Added Tax) regulations in certain jurisdictions, particularly in relation to the implementation of the VAT changes that took effect on that date.
Cause: Date of Taxable Supply: The document you are trying to process has a date of taxable supply that is set before January 1, 2016. This is likely due to changes in VAT legislation that restrict the processing of transactions with dates prior to this cutoff. Configuration Settings: The system may be configured to prevent the posting of transactions with dates that do not comply with the current VAT regulations. Data Entry Error: There may have been an error in data entry where the date was
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