[[1.12] Real Solar System]

I'm new to this topic, and I'm currently with 1.12.1.Now it stuck on loading screen. 

here's the log.

it loops here

hereKopernicus.RuntimeUtility.RuntimeUtility.AtmosphereLightPatch (CelestialBody body) (at <af3bde20e44f42d59ddd5d4c4a02d8cf>:0)
    Kopernicus.RuntimeUtility.RuntimeUtility.LateUpdate () (at <af3bde20e44f42d59ddd5d4c4a02d8cf>:0)
    UnityEngine.DebugLogHandler:LogException(Exception, Object)
    ModuleManager.UnityLogHandle.InterceptLogHandler:LogException(Exception, Object)
    UnityEngine.Debug:CallOverridenDebugHandler(Exception, Object)
[EXC 08:20:24.267] NullReferenceException: Object reference not set to an instance of an object
    Kopernicus.Components.KopernicusStar.LateUpdate () (at <af3bde20e44f42d59ddd5d4c4a02d8cf>:0)
    UnityEngine.DebugLogHandler:LogException(Exception, Object)
    ModuleManager.UnityLogHandle.InterceptLogHandler:LogException(Exception, Object)
    UnityEngine.Debug:CallOverridenDebugHandler(Exception, Object)
[EXC 08:20:24.283] NullReferenceException: Object reference not set to an instance of an object

i have

000_harmony

Kopernicus

modular flight integrator

module manager.4.2.2.dll

.techtree

.configcache

.configSHA

.physics

Real solar system

RSS_textures