It doesn't shows that Unvite optionNext to a channel you can see this icon, click it
View attachment 19133
In the next window I recommend you set the link to never expire by clicking here:
View attachment 19134
Then share the link displayed!
Then you don't have permissions to create an invite for that channelIt doesn't shows that Unvite option
Yes finally It worked are u on DiscordSo i guess you worked it out then