Unable to build code for WEBGL platform, il2cpp.exe error

I just updated unity3d to latest 5.5 version. I am able to build for windows but unable to build for webGL

Failed running C:\Program Files\Unity\Editor\Data\il2cpp/build/il2cpp.exe --convert-to-cpp --compile-cpp --libil2cpp-static --platform="WebGL" --architecture="EmscriptenJavaScript" --configuration="Release" --outputpath="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets /../Temp/StagingArea/Data\Native\build.js" --cachedirectory="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets..\Library/il2cpp_cache" --compiler-flags="-Oz -DIL2CPP_EXCEPTION_DISABLED=1 " --linker-flags="-s PRECISE_F32=2 -s DISABLE_EXCEPTION_CATCHING=0 --memory-init-file 1 -O3 -s NO_EXIT_RUNTIME=1 -g0 -s USE_WEBGL2=1 -s TOTAL_MEMORY=268435456 --separate-asm --emit-symbol-map --output_eol linux -s MEMFS_APPEND_TO_TYPED_ARRAYS=1 " --js-pre="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\prejs\FileSystem.js" --js-pre="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\prejs\MediaDevices.js" --js-pre="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\prejs\SendMessage.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Audio.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Cursor.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Eval.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\FileSystem.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\library_memfs.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\Logging.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\SystemInfo.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\UnetWebSocket.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\WebCam.js" --js-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\WebRequest.js" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_AIModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_AnimationModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_AudioModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_ClothModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_CloudWebServicesModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_CoreModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_CrashReportingModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_IMGUIModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_JSONSerializeModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_ParticlesLegacyModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_ParticleSystemModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_Physics2DModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_PhysicsModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_TerrainModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_TerrainPhysicsModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_TextRenderingModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_UIModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_UmbraModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_UNETModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_UnityAdsModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_UnityAnalyticsModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_UnityConnectModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_UnityWebRequestModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_VehiclesModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_VideoModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_VRModule_Dynamic.bc" --additional-libraries="C:\Program Files\Unity\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\lib\modules\WebGLSupport_WebModule_Dynamic.bc" --additional-libraries="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets\FacebookSDK\Plugins\iOS\Bolts.framework" --additional-libraries="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets\FacebookSDK\Plugins\iOS\FBSDKLoginKit.framework" --additional-libraries="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets\FacebookSDK\Plugins\iOS\FBSDKCoreKit.framework" --additional-libraries="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets\AudienceNetwork\Plugins\iOS\libs\FBAudienceNetwork.framework" --additional-libraries="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets\FacebookSDK\Plugins\iOS\FBSDKShareKit.framework" --extra-types.file="C:\Program Files\Unity\Editor\Data\il2cpp\il2cpp_default_extra_types.txt" --assembly="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Temp\StagingArea\Data\Managed\Assembly-CSharp.dll" --assembly="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Temp\StagingArea\Data\Managed\UnityEngine.UI.dll" --assembly="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Temp\StagingArea\Data\Managed\Facebook.Unity.Settings.dll" --assembly="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Temp\StagingArea\Data\Managed\UnityEngine.dll" --generatedcppdir="C:\unity5_workspace\BallWay_multiplatform\Ball Way\Temp\StagingArea\Data\il2cppOutput"

stdout: Building build.js with EmscriptenToolChain. Output directory: C:\unity5_workspace\BallWay_multiplatform\Ball Way\Temp\StagingArea\Data\Native Cache directory: C:\unity5_workspace\BallWay_multiplatform\Ball Way\Library\il2cpp_cache ObjectFiles: 438 of which compiled: 0 Total compilation time: 1809 milliseconds. Response file: C:\Users\FahimAlavi\AppData\Local\Temp_1914938763\response.rsp il2cpp.exe didn't catch exception: System.UnauthorizedAccessException: Access to the path 'C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets\FacebookSDK\Plugins\iOS\Bolts.framework' is denied. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at Unity.IL2CPP.Building.Hashing.HashTools.HashOfFile(NPath path) at Unity.IL2CPP.Building.CppProgramBuilder.HashLinkerInvocation(LinkerInvocation linkerInvocation, IEnumerable`1 objectFiles) at Unity.IL2CPP.Building.CppProgramBuilder.PostprocessObjectFiles(IEnumerable`1 objectFiles, CppToolChainContext toolChainContext) at Unity.IL2CPP.Building.CppProgramBuilder.Build() at il2cpp.Program.DoRun(String[] args) at il2cpp.Program.Run(String[] args) at il2cpp.Program.Main(String[] args) stderr:

Unhandled Exception: System.UnauthorizedAccessException: Access to the path 'C:\unity5_workspace\BallWay_multiplatform\Ball Way\Assets\FacebookSDK\Plugins\iOS\Bolts.framework' is denied. at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at Unity.IL2CPP.Building.Hashing.HashTools.HashOfFile(NPath path) at Unity.IL2CPP.Building.CppProgramBuilder.HashLinkerInvocation(LinkerInvocation linkerInvocation, IEnumerable`1 objectFiles) at Unity.IL2CPP.Building.CppProgramBuilder.PostprocessObjectFiles(IEnumerable`1 objectFiles, CppToolChainContext toolChainContext) at Unity.IL2CPP.Building.CppProgramBuilder.Build() at il2cpp.Program.DoRun(String[] args) at il2cpp.Program.Run(String[] args) at il2cpp.Program.Main(String[] args)

UnityEngine.Debug:LogError(Object) UnityEditorInternal.Runner:RunManagedProgram(String, String, String, CompilerOutputParserBase, Action`1) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/BuildUtils.cs:96) UnityEditorInternal.IL2CPPBuilder:RunIl2CppWithArguments(List`1, Action`1, String) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:281) UnityEditorInternal.IL2CPPBuilder:ConvertPlayerDlltoCpp(ICollection`1, String, String) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:272) UnityEditorInternal.IL2CPPBuilder:Run() (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:126) UnityEditorInternal.IL2CPPUtils:RunIl2Cpp(String, IIl2CppPlatformProvider, Action`1, RuntimeClassRegistry, Boolean) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/Il2Cpp/IL2CPPUtils.cs:39) UnityEditor.HostView:OnGUI()