It is a frequent error in integration, even when we can directly connect to the your "login_chat.php" successfully.
Two major reasons are:
1. There is a DNS record change of your website, or.
2. Our host server is blocked by the firewall of your web server. For example,
Either will fail the task of our chat server to connect to your "login_chat.php".
And in either case, we can make a proxy on an alternative server to fix the problem. So please contact our professional tech support by sending an email to support@123flashchat.com, and we'll help you accordingly.
