I am getting duplicate invoice numbers. Why would this happen and how can I prevent it?
Duplicate invoice numbers can happen if the same invoice number is used more than once. To prevent this, follow the below steps:
Step 1: Open your company, then go to Administration.
Step 2: Under Administration, select voucher series configuration.
Step 3: Under voucher series configuration, select the voucher series to configure.
Step 4: Select voucher numbering. Under voucher numbering, select numbering.
Step 5: Select duplicate voucher numbering. Don't allow