Whenever I go into a VAB and try to load a craft, the load button is unresponsive. All other buttons work except for load. Loading crafts that came with mods from clicking on the runway doesn't work either. I've searched online, but I haven't found any results. I have the following mods running in 0.90:
- Ferram Aerospace (FAR)
- PlanetFactory Revived
- B9 Aerospace pack
How can I fix this? Is it fixable?