These problems and solutions are common issues related to erotic sex chat, or sex chat sexchat, commonly referred to as scsc.
Some users of adult chat adultchat will find these are the solutions for fixing issues there as well.
If you are able to connect with one and not the other, then the good news is that we now know there is some reason that one browser on your system is not allowing the necessary connections, and you will be able to connect using a different web browser!
Sometimes a plugin for one of the browsers causes trouble that is not an issue when using a different browser on the same computer.
You could get the message “could not connect / server sent no data” and not be on a ban list or a blocked ISP or country list, there could be an issue with your computer firewall, or some other hiccup along the invisible wires of the interwebs.