Build completed with a result of 'Failed' UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

Hey everyone , i am new in unity and every-time i tried to build my project it shows these 3 error.
i even tried to build an empty project without anything still i am getting these errors


ArgumentNullException: Value cannot be null.
Parameter name: path1
System.IO.Path.Combine (System.String path1, System.String path2) (at <567df3e0919241ba98db88bec4c6696f>:0)
UnityEditor.Utils.Paths.Combine (System.String[] components) (at C:/buildslave/unity/build/Editor/Mono/Utils/Paths.cs:29)
UnityEditor.Android.AndroidGradleRoot.GetGradleLaunchJarPath (System.String directory) (at <502f1b7df2d7430696af84c6f02852ed>:0)
UnityEditor.Android.GradleWrapper.GetBaseCommand (System.Int32 jvmHeapSize) (at <502f1b7df2d7430696af84c6f02852ed>:0)
UnityEditor.Android.PostProcessAndroidPlayer.ExecuteWarmup (System.String stagingArea) (at <502f1b7df2d7430696af84c6f02852ed>:0)
UnityEditor.Android.PostProcessAndroidPlayer.PostProcess (UnityEditor.BuildTarget target, System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, UnityEditor.BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at <502f1b7df2d7430696af84c6f02852ed>:0)
UnityEditor.Android.AndroidBuildPostprocessor.PostProcess (UnityEditor.Modules.BuildPostProcessArgs args, UnityEditor.BuildProperties& outProperties) (at <502f1b7df2d7430696af84c6f02852ed>:0)
UnityEditor.PostprocessBuildPlayer.Postprocess (UnityEditor.BuildTargetGroup targetGroup, UnityEditor.BuildTarget target, System.String installPath, System.String companyName, System.String productName, System.Int32 width, System.Int32 height, UnityEditor.BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry, UnityEditor.Build.Reporting.BuildReport report) (at C:/buildslave/unity/build/Editor/Mono/BuildPipeline/PostprocessBuildPlayer.cs:281)
UnityEngine.GUIUtilityrocessEvent(Int32, IntPtr) (at C:/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:179)



Build completed with a result of 'Failed'
UnityEngine.GUIUtilityrocessEvent(Int32, IntPtr) (at C:/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:179)


UnityEditor.BuildPlayerWindow+BuildMethodException: 2 errors
at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (UnityEditor.BuildPlayerOptions options) [0x00242] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:190
at UnityEditor.BuildPlayerWindow.CallBuildMethods (System.Boolean askForBuildLocation, UnityEditor.BuildOptions defaultBuildOptions) [0x0007f] in C:\buildslave\unity\build\Editor\Mono\BuildPlayerWindowBuildMethods.cs:95
UnityEngine.GUIUtilityrocessEvent(Int32, IntPtr) (at C:/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:179)

can someone please help me on this ,
Thank you

 

decided then how?