![1.8.x-1.12.x] Module Manager 4.2.1 (August 1st 2021) - Locked inside edition - Add-on Releases - Kerbal Space Program Forums 1.8.x-1.12.x] Module Manager 4.2.1 (August 1st 2021) - Locked inside edition - Add-on Releases - Kerbal Space Program Forums](https://kerbal-forum-uploads.s3.us-west-2.amazonaws.com/monthly_11_2015/SARB_256.png.e1dd6c3151697771c487b0eadb607496.thumb.png.d0a1db9555610e1208df16a364c0cdee.png)
1.8.x-1.12.x] Module Manager 4.2.1 (August 1st 2021) - Locked inside edition - Add-on Releases - Kerbal Space Program Forums
![B9PartSwitch produces a fatal and serious error upon loading into the game. This only started appearing now and wasn't there 30 minutes ago. Is there a fix? : r/KerbalSpaceProgram B9PartSwitch produces a fatal and serious error upon loading into the game. This only started appearing now and wasn't there 30 minutes ago. Is there a fix? : r/KerbalSpaceProgram](https://preview.redd.it/6vbokp2yin941.png?auto=webp&s=d586c1726453e68751d86b946ab48f7ecbad1bf4)
B9PartSwitch produces a fatal and serious error upon loading into the game. This only started appearing now and wasn't there 30 minutes ago. Is there a fix? : r/KerbalSpaceProgram
![ksp module manager gets stuck on "finishing up" and prevents me from loading ksp : r/KerbalSpaceProgram ksp module manager gets stuck on "finishing up" and prevents me from loading ksp : r/KerbalSpaceProgram](https://preview.redd.it/bj9faefebyw01.png?width=640&crop=smart&auto=webp&s=8d7e3c4baac0bae1d5ed87ab69b3577fd6ad44b7)
ksp module manager gets stuck on "finishing up" and prevents me from loading ksp : r/KerbalSpaceProgram
![did i install module manager right? : Kerbal Space Program, Video Game, Gaming : r/KerbalSpaceProgram did i install module manager right? : Kerbal Space Program, Video Game, Gaming : r/KerbalSpaceProgram](https://preview.redd.it/942a9d5ujep21.png?width=1366&format=png&auto=webp&s=82357bd1c64f58d4b540943265516a544fd7b5c7)
did i install module manager right? : Kerbal Space Program, Video Game, Gaming : r/KerbalSpaceProgram
![1.8.1] B9 Stock Patches Version 1.0.0.0 - Choices, Priorities, and Possibilities (1.8.1)[2020-03-26] - Add-on Releases - Kerbal Space Program Forums 1.8.1] B9 Stock Patches Version 1.0.0.0 - Choices, Priorities, and Possibilities (1.8.1)[2020-03-26] - Add-on Releases - Kerbal Space Program Forums](https://raw.githubusercontent.com/zer0Kerbal/B9StockPatches/master/graphics/B9StockSwitch-hero02-750x750.png)