Exception while loading mod Stairs at C:/Users/Documents/Klei/OxygenNotIncluded/mods/Steam/2012810337.
HarmonyLib.HarmonyException: Ambiguous match for HarmonyMethod[(class=BuildingDef, methodname=IsAreaClear, type=Normal, args=undefined)] ---> System.Reflection.AmbiguousMatchException: Ambiguous match found.
at System.RuntimeType.GetMethodImpl (System.String name, System.Reflection.BindingFlags bindingAttr, System.Reflection.Binder binder, System.Reflection.CallingConventions callConv, System.Type[] types, System.Reflection.ParameterModifier[] modifiers) [0x00059] in <695d1cc93cca45069c528c15c9fdd749>:0
at System.Type.GetMethod (System.String name, System.Reflection.BindingFlags bindingAttr) [0x0000e] in <695d1cc93cca45069c528c15c9fdd749>:0
at HarmonyLib.AccessTools.DeclaredMethod (System.Type type, System.String name, System.Type[] parameters, System.Type[] generics) [0x00028] in <6dcb326e4f6442999f701f1e67d0b5a0>:0
at HarmonyLib.PatchTools.GetOriginalMethod (HarmonyLib.HarmonyMethod attr) [0x0004d] in <6dcb326e4f6442999f701f1e67d0b5a0>:0
--- End of inner exception stack trace ---
at HarmonyLib.PatchClassProcessor.ReportException (System.Exception exception, System.Reflection.MethodBase original) [0x0010f] in <6dcb326e4f6442999f701f1e67d0b5a0>:0
at HarmonyLib.PatchClassProcessor.Patch () [0x00093] in <6dcb326e4f6442999f701f1e67d0b5a0>:0
at HarmonyLib.Harmony.<PatchAll>b__10_0 (System.Type type) [0x00007] in <6dcb326e4f6442999f701f1e67d0b5a0>:0
at HarmonyLib.CollectionExtensions.Do[T] (System.Collections.Generic.IEnumerable`1[T] sequence, System.Action`1[T] action) [0x00014] in <6dcb326e4f6442999f701f1e67d0b5a0>:0
at HarmonyLib.Harmony.PatchAll (System.Reflection.Assembly assembly) [0x00006] in <6dcb326e4f6442999f701f1e67d0b5a0>:0
at KMod.UserMod2.OnLoad (HarmonyLib.Harmony harmony) [0x00007] in <10441a52cf784e609fef9aaaa8368210>:0
at Stairs.Patches.OnLoad (HarmonyLib.Harmony harmony) [0x00000] in <4902a61cf60746819d5cee44a5a6e12b>:0
at KMod.DLLLoader.LoadDLLs (KMod.Mod ownerMod, System.String harmonyId, System.String path, System.Boolean isDev) [0x00222] in <10441a52cf784e609fef9aaaa8368210>:0

at UnityEngine.Debug.LogError (System.Object message, UnityEngine.Object context) [0x00000] in <72b60a3dd8cd4f12a155b761a1af9144>:0
at Debug.LogError (System.Object obj, UnityEngine.Object context) [0x00000] in <3ca21dc18eae422d87255277091f8593>:0
at DebugUtil.LogErrorArgs (UnityEngine.Object context, System.Object[] objs) [0x00000] in <3ca21dc18eae422d87255277091f8593>:0
at DebugUtil.LogException (UnityEngine.Object context, System.String errorMessage, System.Exception e) [0x00000] in <3ca21dc18eae422d87255277091f8593>:0
at KMod.DLLLoader.LoadDLLs (KMod.Mod ownerMod, System.String harmonyId, System.String path, System.Boolean isDev) [0x00000] in <10441a52cf784e609fef9aaaa8368210>:0
at KMod.Mod.Load (KMod.Content content) [0x00000] in <10441a52cf784e609fef9aaaa8368210>:0
at KMod.Manager.Load (KMod.Content content) [0x00000] in <10441a52cf784e609fef9aaaa8368210>:0
at Global.Awake () [0x00000] in <10441a52cf784e609fef9aaaa8368210>:0
at UnityEngine.Object.Internal_InstantiateSingleWithParent_Injected (UnityEngine.Object data, UnityEngine.Transform parent, UnityEngine.Vector3& pos, UnityEngine.Quaternion& rot) [0x00000] in <72b60a3dd8cd4f12a155b761a1af9144>:0
at UnityEngine.Object.Internal_InstantiateSingleWithParent (UnityEngine.Object data, UnityEngine.Transform parent, UnityEngine.Vector3 pos, UnityEngine.Quaternion rot) [0x00000] in <72b60a3dd8cd4f12a155b761a1af9144>:0
at UnityEngine.Object.Instantiate (UnityEngine.Object original, UnityEngine.Vector3 position, UnityEngine.Quaternion rotation, UnityEngine.Transform parent) [0x00000] in <72b60a3dd8cd4f12a155b761a1af9144>:0
at UnityEngine.Object.Instantiate[T] (T original, UnityEngine.Vector3 position, UnityEngine.Quaternion rotation, UnityEngine.Transform parent) [0x00000] in <72b60a3dd8cd4f12a155b761a1af9144>: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 <3ca21dc18eae422d87255277091f8593>:0
at Util.KInstantiate (UnityEngine.GameObject original, UnityEngine.GameObject parent, System.String name) [0x00000] in <3ca21dc18eae422d87255277091f8593>:0
at LaunchInitializer.Update () [0x00000] in <10441a52cf784e609fef9aaaa8368210>:0
Build: U51-597172-SD

Same here, confirmed

Same here

Ditto

Same

same here

Yep.

yep

This MOD has update to 2.0c and fixed the crash.
Wait for steam workshop push the update or use the "Mod updater".

w00t! ty <3