Residential Proxies:

Error code	Error description	Explanation
407	Abnormal whitelist, wrong/abnormal username or password.	This means it failed because of a lack of effective authentication credentials. Here are steps to solve: 1. Check whether the username and password you use are the same as your Username:Password credentials in your Dashboard 2. Check whether the IP you use is the same as the whitelisted IP in your Dashboard if you use Whitelist to complete the authentication.
441	No available data	There is no available data in your account, please top up data first.
442	Abnormal account	Please contact Customer Support
444	Abnormal server	Please contact Customer Support
446	Geo-blocked	Due to China's policy, we don't take the initiative to provide proxy services for those who are using an IP from China Mainland.
400-474	Parameter requested error	Wrong Proxy Host/Port/Username/Password
476	No available IP in that city location	Please change another city

ISP Proxies

Error Code	Error description	Explanation
407	Username or password is empty	Please enter your correct username and password
446	Geo-blocked	Due to China's policy, we don't take the initiative to provide proxy services for those who are using an IP from China Mainland.
447	Failed to fetch data	Please contact Customer Support
448	No available plan	Renew your plan or order again
449	Inactive or expired ips	Renew your plan or order again