Check if the pop-up blocker is enabled in your browser. The pop-up blocker stops unwanted pop-ups, which can interfere when you integrate your WhatsApp Business account with Zoho Books. Therefore, it is necessary to disable the pop-up blocker during the integration process.
If you’re using a custom domain, the integration page may occasionally hang. To resolve this issue:
These steps should help prevent the setup page from hanging.
Books
Online accounting software
for small businesses.