Page not loading on a platform — check for VPN (turn it off), try another device, verify Channel ID format.
Not receiving inquiry emails — check spam, verify the email in your page’s Basic Info, confirm the address under My Account.
QR code not working — scan with the right app (WeChat QR must be scanned in WeChat), confirm the page is published.
Payment not going through — check wallet balance in My Wallet or card status in Payment Methods.
Content not updating after edit — changes take a few minutes to reach China servers. Clear browser cache and check again.
If none of these fix it, submit a ticket with screenshots.