[AEAdditions-1.18.2-3.2.8.jar] Crash when saving in Wireless Transceiver

[AntoineFra]

The game crashes when you hit the save button but there is no selected channel nor registered channels.

Crash Report : https://bytebin.lucko.me/gsVZpyA0gW

Crashing function :

[GooseBehindTheSlaughter]

Same thing happens to me java.lang.NullPointerException: mouseClicked event handler