Hi guys! I found out why this tool seems to not work properly. I have tested this with B9, TW rocketry, trying to get this fix to work with KAS, Mechjeb, etc. [EDIT] Confirmed working with B9, TW rocketry, KAS, and Mechjeb. This plugin, when it reads your mod folders, changed .'s to _'s. Much like how when you name a craft, say, Lander 1.5, it will name it was Lander 1_5. It then reads all your .'s, and changes them to _'s. This makes your "allowed" parts folder blind to all your mod parts. It is also blind to the FL-T 800, which is named fuelTank.long in the files, but reads as fuelTank_long, so it shows as a "forbidden" part. Hope this helps you guys out that are having issues! Just change your KMPpartlist.txt so that all _'s are .'s.