I need to void an invoice from last tax year as now been re-issued. Its not letting me do the normal void option. NO one ever answers the Chat so getting frustrated.

Hi hdyer, 

Thanks for joining us here on the community. What happens when you attempt to void the invoice? Was this bad debt? Are you cash or accrual for your VAT?

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Hi @hdyer 

You shouldn't really be voiding old invoices - particularly ones that have been Filed for VAT.

IMHO, the Void option shouldn't be so easy to access.  It creates more problems that it solves.

Much better to raise a Credit Note & use that to 'pay off' the Invoice.

Alternatively, if marking as Bad Debt, create a Bad Debt journal & use that to 'pay off' the Invoice.