Cancelled Invoice but paid by client

[jepperly]

Hi, we encountered a situation where we issue an invoice #1, but the item description was rejected by the client, so we cancelled invoice#1 but cancellation of this usually goes to higher management before it can be finalize, so we just issue invoice#2 with the preferred item description of our client, but after issuing the invoice#2 the client called us that invoice #1, was processed for payment, so instead of issuing credit note for invoice #1, we issue credit note for invoice #2, now after 3 weeks we received payment from client for invoice #2 which is cancelled, how can we fix this issue? any guide or advise? our client refuses to change the invoice number nor accept our proposal to cancel invoice #1 and issue another invoice which would be invoice #3, all the invoice have same amount + VAT. and our client refuses to cooperate on this matter.