Sorry about that. Anyways, I downloaded KSP again and used a fresh Parts folder. I re-downloaded the mod file again and added it in. These are the errors: >> radialDecoupler >> . Cfg Parsing... added node_attach at 0.0, 0.0, 0.0, 1.0, 0.0, 0.0 added fx_gasBurst_white at -1.16832, 0.0, -0.0826454, -1.0, 0.0, 0.0, activate added sound_vent_large to FXGroup activate RadialDecoupler attachRules: AttachRules RadialDecoupler mass: 0.4 RadialDecoupler dragModelType: default RadialDecoupler maximum_drag: 0.2 RadialDecoupler minimum_drag: 0.2 RadialDecoupler angularDrag: 1 RadialDecoupler crashTolerance: 8 RadialDecoupler maxTemp: 3200 RadialDecoupler fuelCrossFeed: True RadialDecoupler stageOffset: 1 RadialDecoupler childStageOffset: 1 RadialDecoupler ejectionForce: 15 Warning: Variable icon not found in RadialDecoupler Module! . icon size: (1.0, 1.1, 1.0) icon center: (0.0, 0.1, 0.0) Done! >> radialStackDecoupler >> KeyNotFoundException: The given key was not present in the dictionary.