Message type: E = Error
Message class:  FOT_TDT -  
Message number: 018
Message text: Tax calculation from date could not be derived for tax code &1
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The SAP error message FOT_TDT018 indicates that the system is unable to derive the tax calculation date for a specific tax code. This typically occurs during the processing of financial transactions where tax codes are involved, such as in invoice processing or during the posting of financial documents.
Cause: The error can be caused by several factors, including: Missing Tax Configuration: The tax code may not have been properly configured in the system, or the relevant tax calculation date is not defined for the tax code in question. Invalid Tax Code: The tax code used in the transaction may not be valid for the specific transaction type or may not be applicable for the date of the transaction. Date Issues: The date of the transaction may fall outside the range of valid dates for the tax code, meaning that the system cannot find a valid tax rate to apply. Tax Jurisdiction Changes: Changes in tax regulations
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