# Troubleshooting This section helps you quickly identify and resolve common issues that can arise while using the Zoom Virtual Agent bot. ## The campaign has been configured, but it's not taking effect You can perform the following actions: - Check the network requests in the browser development mode. - Find the `styleByApikey` interface in the network request list. - Check if the request for the interface is correct and if a return value exists. ## Failed to login: The subdomain URL is not connecting When the page prompts: `Failed to login: The subdomain URL is not connecting`, you should add the whitelist for subdomains in **Performances**. You can also find the subdomain configuration in **ZVA Preferences**. ![](/img/zva-failed-login.png) ## When importing with script tag and choosing the third-party website link, the script does not load properly When you add the `defer` attribute to the script tag, it triggers a link to open a third-party app when the page loads. As a result, the script's execution cancels. To resolve this issue, remove the `defer` attribute or change it to the `async` attribute.