Voice Channel Permissions - Not Server Admin

Hello,

I am helping a friend set up his Teamspeak 3 server, he has given me enough permission to edit most things on the server. I decided a good place to start was to make a TS3 management role so anyone with this role could edit the server without having too much power within. Upon addressing this, I have came across an issue when it comes to setting the permissions on a voice channel such as channel talk power, view desc. power etc.

Anyhelp would be much appreciated!

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