Overview
Quick fixes for the most frequent invoice-and-payment issues.
Issue: “Invoice number already exists”
Solution: Change prefix or reset numbering under Settings > Prefix Settings.
Issue: Calculated total is wrong
Solution: Check item quantities, unit prices, discount type (flat vs. %), and tax rules.
Issue: Client can’t view PDF
Solution: Confirm client portal permissions under Roles & Permissions.
Issue: Recurring invoice stopped
Solution: Verify Total Count isn’t reached, and cron jobs are active.
Issue: Payments not syncing
Solution: Re-enter gateway credentials and test webhooks.
Tips
Always test invoice creation end-to-end in a sandbox account before billing real clients.
Keep your finance settings (tax, currency, prefixes) consistent to avoid calculation errors.
Troubleshooting / FAQs
Q: Discounts aren’t applying.
A: Ensure Calculate Tax is set to your preferred order (Before vs. After Discount).
Q: Tax rate missing in dropdown.
A: Add new tax under Settings > Tax Settings and refresh the invoice form.