Exception while loading mod 2020793956.Steam at C:/Users/Enlonwhite/Documents/Klei/OxygenNotIncluded/mods/Steam/2020793956.
System.TypeInitializationException: The type initializer for 'EGG_CHANCE_MODIFIERS' threw an exception. ---> System.NullReferenceException: Object reference not set to an instance of an object
at ElementLoader.FindElementByHash (SimHashes hash) [0x00002] in <1715f336df1840d5aa5906be03bd34d5>:0
at HatchMetalConfig.get_METAL_ORE_TAGS () [0x00062] in <1715f336df1840d5aa5906be03bd34d5>:0
at TUNING.CREATURES+EGG_CHANCE_MODIFIERS..cctor () [0x00074] in <1715f336df1840d5aa5906be03bd34d5>:0
--- End of inner exception stack trace ---
at KMod.DLLLoader.LoadDLLs (KMod.Mod ownerMod, System.String harmonyId, System.String path, System.Boolean isDev) [0x00222] in <1715f336df1840d5aa5906be03bd34d5>:0

at UnityEngine.Debug.LogError (System.Object message, UnityEngine.Object context) [0x00000] in <9fe2cbebfa394c8da6af069ec8cc9ef4>:0
at Debug.LogError (System.Object obj, UnityEngine.Object context) [0x00000] in <8e85aab05d1d44a5b339d82e5aea3b88>:0
at DebugUtil.LogErrorArgs (UnityEngine.Object context, System.Object[] objs) [0x00000] in <8e85aab05d1d44a5b339d82e5aea3b88>:0
at DebugUtil.LogException (UnityEngine.Object context, System.String errorMessage, System.Exception e) [0x00000] in <8e85aab05d1d44a5b339d82e5aea3b88>:0
at KMod.DLLLoader.LoadDLLs (KMod.Mod ownerMod, System.String harmonyId, System.String path, System.Boolean isDev) [0x00000] in <1715f336df1840d5aa5906be03bd34d5>:0
at KMod.Mod.Load (KMod.Content content) [0x00000] in <1715f336df1840d5aa5906be03bd34d5>:0
at KMod.Manager.Load (KMod.Content content) [0x00000] in <1715f336df1840d5aa5906be03bd34d5>:0
at Global.Awake () [0x00000] in <1715f336df1840d5aa5906be03bd34d5>:0
at UnityEngine.Object.Internal_InstantiateSingleWithParent_Injected (UnityEngine.Object data, UnityEngine.Transform parent, UnityEngine.Vector3& pos, UnityEngine.Quaternion& rot) [0x00000] in <9fe2cbebfa394c8da6af069ec8cc9ef4>:0
at UnityEngine.Object.Internal_InstantiateSingleWithParent (UnityEngine.Object data, UnityEngine.Transform parent, UnityEngine.Vector3 pos, UnityEngine.Quaternion rot) [0x00000] in <9fe2cbebfa394c8da6af069ec8cc9ef4>:0
at UnityEngine.Object.Instantiate (UnityEngine.Object original, UnityEngine.Vector3 position, UnityEngine.Quaternion rotation, UnityEngine.Transform parent) [0x00000] in <9fe2cbebfa394c8da6af069ec8cc9ef4>:0
at UnityEngine.Object.Instantiate[T] (T original, UnityEngine.Vector3 position, UnityEngine.Quaternion rotation, UnityEngine.Transform parent) [0x00000] in <9fe2cbebfa394c8da6af069ec8cc9ef4>:0
at Util.KInstantiate (UnityEngine.GameObject original, UnityEngine.Vector3 position, UnityEngine.Quaternion rotation, UnityEngine.GameObject parent, System.String name, System.Boolean initialize_id, System.Int32 gameLayer) [0x00000] in <8e85aab05d1d44a5b339d82e5aea3b88>:0
at Util.KInstantiate (UnityEngine.GameObject original, UnityEngine.GameObject parent, System.String name) [0x00000] in <8e85aab05d1d44a5b339d82e5aea3b88>:0
at LaunchInitializer.Update () [0x00000] in <1715f336df1840d5aa5906be03bd34d5>:0
Build: U37-483944-S


So Something with the Egg chance coding I would think but I am no expert.