Troubleshooting

SymptomFix/ticket/CODE/ returns 404Go to Settings → Permalinks and click Save to flush rewrite rules. Permalinks must not be "Plain".No ticket after paymentThe order must be Processing or Completed…

Symptom Fix
/ticket/CODE/ returns 404 Go to Settings → Permalinks and click Save to flush rewrite rules. Permalinks must not be “Plain”.
No ticket after payment The order must be Processing or Completed and contain a product with This is a ticket ticked. Check WooCommerce → Tickets.
Guest / sponsor fields missing at checkout The Checkout page uses the block editor. See §13.
Check-in panel not visible Log in with a role selected under Door check-in, then re-save the settings once to sync capabilities.
PDF download fails or is blank Ensure uploads/seat-pass is writable and PHP has the dom, mbstring and gd extensions. Increase memory_limit to 256M for large logos.
Logo missing on the PDF Use a JPG or PNG logo; SVG is not rendered by dompdf.
Ticket page shows an old design Browser or page cache; hard-reload or exclude /ticket/* from caching.