I'm having a problem with solid rocket boosters and TweakScale. Whenever I add any solid rocket boosters to a craft, the debug log gets spammed with ArgumentNullExceptions. This is happening on a clean install of KSP with only TweakScale, KWRocketry, Toolbar, and ModuleManager-2.2.2. Here's the beginning of the spamming: KWsrbGlobeX2(Clone) added to ship - part count: 2 (Filename: C:/BuildAgent/work/d63dfc6385190b60/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 49) stage count is: 0 (Filename: C:/BuildAgent/work/d63dfc6385190b60/artifacts/StandalonePlayerGenerated/UnityEngineDebug.cpp Line: 49) ArgumentNullException: Argument cannot be null. Parameter name: key at System.Collections.Generic.Dictionary`2[KSPParticleEmitter,TweakScale.EmitterUpdater+EmitterData].ContainsKey (.KSPParticleEmitter key) [0x00000] in <filename unknown>:0 at TweakScale.EmitterUpdater.UpdateParticleEmitter (.KSPParticleEmitter pe) [0x00000] in <filename unknown>:0 at TweakScale.EmitterUpdater.OnUpdate () [0x00000] in <filename unknown>:0 at TweakScale.TweakScale.Update () [0x00000] in <filename unknown>:0 (Filename: Line: -1) And heres' my output_log.txt