Error - 'This transaction will not be included on the Supplementary Declaration' when raising a purchase ledger transaction

The Supplementary Declaration is a part of the Intrastat suite of reports used for reporting on the movement of Goods and Services in the EU.
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Sales Ledger and Purchase Ledger Invoices and Credit Notes for EU Customers and Suppliers, are not included on the Supplementary Declaration - they must be entered via Sales Order or Purchase Order processing to be included.
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The generation of this warning can be disabled by removing the SSD (Statutory Supplementary Declaration) module from the Dimensions licence/unlock. If you do not require the functionality provided by the Statutory Supplementary Declaration module, then email [email protected] to request a revision to your unlock/licence to disable the SSD module.