Error on Startup

[DsGrilo]

NullReferenceException: Object reference not set to an instance of an object

MultiplayerMod.ModRuntime.Context.RequireExecutionLevelAttribute.CheckExecutionLevel (MultiplayerMod.ModRuntime.Context.ExecutionLevel level) (at :0)
MultiplayerMod.Game.GameEvents.InstantiatePostfix (UnityEngine.GameObject __result, System.Boolean initialize_id) (at :0)
(wrapper dynamic-method) Util.Util.KInstantiate_Patch1(UnityEngine.GameObject,UnityEngine.Vector3,UnityEngine.Quaternion,UnityEngine.GameObject,string,bool,int)
SceneInitializer.PreLoadPrefabs () (at <96bf83e479e841629616de31cacb5606>:0)
SceneInitializer.Awake () (at <96bf83e479e841629616de31cacb5606>:0)
UnityEngine.Object:Instantiate(GameObject, Vector3, Quaternion, Transform)
Util:Util.KInstantiate_Patch1(GameObject, Vector3, Quaternion, GameObject, String, Boolean, Int32)
Util:KInstantiate(Component, GameObject, String)
SceneInitializerLoader:Awake()

Build: U53-642695-V