click on the discord link at the top of the forums and that should get you back in. It is a permanent link.
If that doesn't work then you may have been banned and will need to post an appeal.
Also unless you have applied to join SmG community then you are not a member. You will need to apply to become a member.
apply to join
PS: Mods, old habits die hard, please don't judge me.
Don't piss off old people.
The older we get the less "life in prison" is a deterrent.
I love how the Earth rotates, it really makes my day