unity提示../Assets/Plugins/UnityPurchasing/Bin/Stores.dll could not be loaded

之前好好的,有一周没有打开这个项目了,anysdk框架版本:2.2.5.
今天发现Unity提示详情如下:

Unhandled Exception: System.Reflection.ReflectionTypeLoadException: The classes in the module cannot be loaded.
at (wrapper managed-to-native) System.Reflection.Assembly:GetTypes (bool)
at System.Reflection.Assembly.GetTypes () [0x00000] in :0
at Mono.CSharp.RootNamespace.ComputeNamespaces (System.Reflection.Assembly assembly, System.Type extensionType) [0x00000] in :0
at Mono.CSharp.RootNamespace.ComputeNamespace (Mono.CSharp.CompilerContext ctx, System.Type extensionType) [0x00000] in :0
at Mono.CSharp.GlobalRootNamespace.ComputeNamespaces (Mono.CSharp.CompilerContext ctx) [0x00000] in :0
at Mono.CSharp.Driver.LoadReferences () [0x00000] in :0
at Mono.CSharp.Driver.Compile () [0x00000] in :0
at Mono.CSharp.Driver.Main (System.String[] args) [0x00000] in :0

The following assembly referenced from /Users/redfox/Desktop/temp/Object/Unity/项目名称/1.58_正式提交版/Assets/Plugins/UnityPurchasing/Bin/Stores.dll could not be loaded:
Assembly: UnityEngine.Purchasing (assemblyref_index=1)
Version: 0.0.0.0
Public Key: (none)
The assembly was not found in the Global Assembly Cache, a path listed in the MONO_PATH environment variable, or in the location of the executing assembly (/Users/redfox/Desktop/temp/Object/Unity/项目名称/归档_1.58_正式提交版/Assets/Plugins/UnityPurchasing/Bin/).

Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class UnityEngine.Purchasing.IAmazonExtensions could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class UnityEngine.Purchasing.IAmazonExtensions could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class UnityEngine.Purchasing.IGooglePlayConfiguration could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class UnityEngine.Purchasing.ISamsungAppsExtensions could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class UnityEngine.Purchasing.ISamsungAppsExtensions could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class UnityEngine.Purchasing.NativeJSONStore could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class UnityEngine.Purchasing.IAppleConfiguration could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class UnityEngine.Purchasing.IAppleExtensions could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class DialogType could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class StoreInstance could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class MicrosoftConfiguration could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class UnityEngine.Purchasing.FakeStore could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class DialogRequest could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class LifecycleNotifier could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
Could not load file or assembly ‘UnityEngine.Purchasing, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
The class UnityEngine.Purchasing.NativeJSONStore could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class UnityEngine.Purchasing.ITizenStoreConfiguration could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey0 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey0 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey1 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey0`1 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey0 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey1 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey2 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey3 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null
The class c__AnonStorey4 could not be loaded, used in Stores, Version=1.0.6086.27179, Culture=neutral, PublicKeyToken=null


请问有遇到过这个问题的么?方便的话给个解决方案,非常感谢.

这是运行哪个平台打出的日志?