Robotics folder empty?

[gentlemale]

Hello,

I have bought the "Breaking ground" dlc recently.

I was very happy with the features for a while, but after I went away from the game and came back about 2 months later (just now), I have found that the "robotics" folder, which contains all of the breaking ground robotic arms and things is empty.

I can still get things like propeller blades out of the structural category.

 

I am running the latest version of KSP with no mods.

 

How could I get my beloved robotic items back?

[RealKerbal3x]

@gentlemale Are you playing in career or science mode? If so, you may not have unlocked the robotics yet.