My modded server keeps getting an Internal Exception: java.net.SocketException:Connection reset sign when I try to join my server.. please help.

So I was creating a modded Minecraft server, my server has a lot of mods.. When I was testing it, I tried to join but it showed an "Unfortunately, you have to use a different address to connect the server" text. When I tried to join with the IP I got shown a connected timed out: no further information text. And so then I used the Dyn IP, but I got shown the message on the title. I've tried renewing my system IP address, changing my DNS server but nothing still works.. It's probably the amount of mods I have on my server.

Oh, thank you, it works now!