I am having trouble using RTS-1. If I attach it to something and click it while inside the ship it says "connector state: locked" and if a kerbal walks up to it it says "Grab Connector" but when I click that I get a error beep and nothing happens. What am I missing? The legacy CC-R2 connector port seems to work normally.
I am using KSP 1.5.1.2335 with Making History and with only the KAS 1.1 mod, installed via CKAN.
KAS is a very cool MOD, thank you.
Edit: This happens with EVS 1.9 and KIS 1.16 installed as well, and in a new game.