You may find that you have a missing invoice number in your list when viewing a sales report, for example. This most likely means that a user has deleted the invoice in question. Commusoft will not re-use an invoice number so it will skip this and continue on sequentially.
If you have created an invoice in error, the best way to deal with this is to create a credit note against the invoice. This will keep an accurate history against the account:
If you'd like to find out who has deleted the invoice, this is available on certain of our existing price plans. The details of these can be found on our website: www.commusoft.co.uk/pricing.