Unity build error android

When i try build and run only this messege is shown up Build completed with a result of 'Failed' in 7 seconds (7220 ms) UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) UnityEditor.BuildPlayerWindow+BuildMethodException: 3 errors at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (UnityEditor.BuildPlayerOptions options) [0x002ca] in <68089899e4c84456bfc1de3436accf4a>:0 at UnityEditor.BuildPlayerWindow.CallBuildMethods (System.Boolean askForBuildLocation, UnityEditor.BuildOptions defaultBuildOptions) [0x00080] in <68089899e4c84456bfc1de3436accf4a>:0 UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) ,Hi when i try to Build and run this error is showns up UnityEditor.BuildPlayerWindow+BuildMethodException: 3 errors at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (UnityEditor.BuildPlayerOptions options) [0x002ca] in <68089899e4c84456bfc1de3436accf4a>:0 at UnityEditor.BuildPlayerWindow.CallBuildMethods (System.Boolean askForBuildLocation, UnityEditor.BuildOptions defaultBuildOptions) [0x00080] in <68089899e4c84456bfc1de3436accf4a>:0 UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) Build completed with a result of 'Failed' in 7 seconds (7220 ms) UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&)