I have this same problem, had to uninstall the mod, for me it happens in mission control, everytime i click on a tab inside it, like "active" it suddenly opens the VAB without anyway of leaving it, i can use the console to leave it but this just makes the mission control unusable, im using it with Galileo's planet pack in KSP 1.4.3.
Another problem i have, which i don't know if it is like that in the pack, but with galileo's installed all bases are always open, no matter which options i select, i can't also close them.