I have this weird thing with KSP 1.3 and KSPI-E (using its latest beta):
On startup, I get a message from Community Tech Tree to use KSP 1.2.2.
There is just no change to the Tech Tree. It's pure vanilla. BUT: In Sandbox, the parts appear.
I saw that CTT hasn't been updated lately, but noone else seems to have that problem, so I'd like to know what you other folks do differently and/or any solutions/workarounds.
Please note I'm new to using KSP mods, so if this is some basic thing, I apologize.