Error Building With IAP!!???

Unity Engine
1

I have been getting pretty ticked off with Unitys IAP BS! No Matter what i do i keep getting errors on errors on errors when i try and build my package. It keeps spitting out this error. Ive deleted the packages a million times and reimported it and over and over and over again. Its starting to keep very rediculous. This is the stupid error i get.

flectionTypeLoadException: The classes in the module cannot be loaded.
System.Reflection.Assembly.GetTypes () (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/Assembly.cs:371)
UnityEditor.Purchasing.UnityIAPInstaller.m__0 (System.Reflection.Assembly assembly) (at Assets/Plugins/UnityPurchasing/Editor/UnityIAPInstaller.cs:102)
System.Linq.Enumerable+c__Iterator143[System.Reflection.Assembly,System.Type,<>__AnonType02[System.Reflection.Assembly,System.Type]].MoveNext ()
System.Linq.Enumerable+c__Iterator1D1[<>__AnonType02[System.Reflection.Assembly,System.Type]].MoveNext ()
System.Linq.Enumerable+c__Iterator102[<>__AnonType02[System.Reflection.Assembly,System.Type],System.Type].MoveNext ()
System.Linq.Enumerable.FirstOrDefault[Type] (IEnumerable`1 source)
UnityEditor.Purchasing.UnityIAPInstaller.GetPurchasing () (at Assets/Plugins/UnityPurchasing/Editor/UnityIAPInstaller.cs:104)
UnityEditor.Purchasing.UnityIAPInstaller.EnablePurchasingService () (at Assets/Plugins/UnityPurchasing/Editor/UnityIAPInstaller.cs:481)
UnityEditor.Purchasing.UnityIAPInstaller.Install () (at Assets/Plugins/UnityPurchasing/Editor/UnityIAPInstaller.cs:329)

2

FileNotFoundException: Could not load file or assembly ‘UDP, Version=0.0.9.0, Culture=neutral, PublicKeyToken=null’ or one of its dependencies.
System.Reflection.MonoMethodInfo.GetMethodInfo (IntPtr handle) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:59)
System.Reflection.MonoMethodInfo.GetAttributes (IntPtr handle) (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:75)
System.Reflection.MonoMethod.get_Attributes () (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MonoMethod.cs:245)
System.Reflection.MethodBase.get_IsSpecialName () (at /Users/builduser/buildslave/mono/build/mcs/class/corlib/System.Reflection/MethodBase.cs:184)
UnityEditor.Build.BuildPipelineInterfaces.InitializeBuildCallbacks (Boolean findBuildProcessors, Boolean findSceneProcessors) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/BuildPipelineInterfaces.cs:149)
UnityEditor.BuildPlayerWindow:BuildPlayerAndRun()

3

Not Only that the IAP installer pops up a million times and i click it every time and it spits out erorrs