Make sure to troubleshoot and resolve any issues with payment gateways, payments, currencies, or related features as soon as possible.
WHMCS can gather necessary taxes when you make sales. First, you must enable tax support in WHMCS and configure the necessary settings.
Troubleshoot and resolve blank payment gateway pages.
Troubleshoot and resolve Gateway Module Error: Configuration Function (_config) not found errors.
Customize the invoice number that the system generates for each invoice by configuring the Custom Invoice Numbering Format setting.
Troubleshoot and resolve Invalid Access Attempt errors.
Troubleshoot and resolve issues with missing taxes on invoices.