Androidでの謎のビルドエラー

gistfile1.txt

2875: [Unity] Platform assembly: /UNITY_PATH/Unity/Unity-5_0_4f1/Unity.app/Contents/Frameworks/Managed/Unity.CecilTools.dll (this message is harmless)
2876: [Unity] Exception: ExtractAssemblyTypeInfo: Failed to process Library/ScriptAssemblies/Assembly-CSharp.dll, System.ArgumentException: An element with the same key already exists in the dictionary.
2877: [Unity]   at Mono.Cecil.MetadataSystem.SetReverseNestedTypeMapping (UInt32 nested, UInt32 declaring) [0x00000] in <filename unknown>:0 
2878: [Unity]   at Mono.Cecil.MetadataReader.AddNestedMapping (UInt32 declaring, UInt32 nested) [0x00000] in <filename unknown>:0 
2879: [Unity]   at Mono.Cecil.MetadataReader.InitializeNestedTypes () [0x00000] in <filename unknown>:0 
2880: [Unity]   at Mono.Cecil.MetadataReader.InitializeTypeDefinitions () [0x00000] in <filename unknown>:0 
2881: [Unity]   at Mono.Cecil.MetadataReader.ReadTypes () [0x00000] in <filename unknown>:0 
2882: [Unity]   at Mono.Cecil.ModuleDefinition.<get_Types>b__8 (Mono.Cecil.ModuleDefinition _, Mono.Cecil.MetadataReader reader) [0x00000] in <filename unknown>:0 
2883: [Unity]   at Mono.Cecil.ModuleDefinition.Read[ModuleDefinition,TypeDefinitionCollection] (Mono.Cecil.ModuleDefinition item, System.Func`3 read) [0x00000] in <filename unknown>:0 
2884: [Unity]   at Mono.Cecil.ModuleDefinition.get_Types () [0x00000] in <filename unknown>:0 
2885: [Unity] UnityEditor.BuildPipeline:BuildPlayerInternalNoCheck(String[], String, BuildTarget, BuildOptions, Boolean, UInt32&)
2886: [Unity] UnityCloud.UnityCloudBuilder:Build() (at Assets/__UnityCloud__/Scripts/Editor/UnityCloudBuilder.cs:333)
2887: [Unity] Error building player because script class layout might be incompatible between the editor and the player.
2888: [Unity] (Filename:  Line: -1)