Confirm the gallery ID
Copy the shortcode again from the same gallery. A valid shortcode with the wrong gallery ID can still render an unexpected result.
Contest Gallery documentation
Use a short, repeatable diagnostic process before changing a working gallery configuration.
Copy the shortcode again from the same gallery. A valid shortcode with the wrong gallery ID can still render an unexpected result.
Use a private browser window to remove administrator privileges, old cookies and existing vote state from the test.
Clear the WordPress page cache, optimization cache and browser cache after changing shortcode or frontend options.
Confirm that the entry is active and allowed by the selected category, date and user restrictions.
Run only the repair action that matches the issue and retest before changing unrelated options.
Check active entries, category filters, shortcode ID and generated gallery data.
Check voter recognition, login or jury restrictions, vote limits, self-voting and contest dates.
Verify the recipient and sender, check spam, then test WordPress mail delivery independently.
Confirm test mode, provider environment and matching test credentials before reviewing the order response.
Administrator state can bypass or differ from visitor restrictions. Always repeat the test logged out and review the configured recognition and vote limits.
A page, optimization or browser cache can serve older frontend data. Clear caches and reload in a private window before changing the option again.
No. Restrict sandbox testing to a dedicated test shortcode or URL and disable the test environment before launch.