Review page not found
Check the URL slug matches the business key in businesses.js.
GitHub Action is red
Fix the GitHub issue first. Do not manually change Cloudflare as a workaround.
NFC card does nothing
Write the URL again in NFC Tools, confirm the app shows a successful write, then test with another NFC-capable phone.
NFC opens the wrong page
Rewrite the card with the correct URL and test before handover.
Wrong Google listing
Update the business's Google review URL in businesses.js, commit, wait for green deployment, then test again.