Hi all!
First of all huge thank you to @ianmjones for posting the initial fix 
If anyone is still encountering this errors, please run
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys ACCAF35C
Hi all!
First of all huge thank you to @ianmjones for posting the initial fix
If anyone is still encountering this errors, please run
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys ACCAF35C