I'm not sure, the server says you're connecting fine. What specifically is it telling you? Look at the bottom of the blue window after you click Chat. 
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Pokécharms
Teapot
SkyHighFlygon
Pokecharms cannot join channel is what it says
Teapot
Hm. Have you ever joined chat before?
SkyHighFlygon
Yeah not on this account but those other times before I had the account it worked
Teapot
You're probably banned from the chat. Can you do me a favour - can you join the chat, see the error message, and stay there for a while? I'll comment here again once I've caught you and looked into it.
SkyHighFlygon
Sure
Teapot
Hmm. I don't see any ban entries for your IP, so I'm kinda lost. I have no idea why you can't join the channel, sorry 
SkyHighFlygon
An error said try again later but a week passed since I was probobly banned and on the rules the highest ban was 1 week.
Teapot
I've removed a ban that might have been you. But I've noticed something troubling: Are BlazeThePyroar and TopTogetic alternate accounts of yours? If they are, I'll just merge them into your account. You're only supposed to have one.