MediaPlugin Camera permission exception

{Java.Lang.SecurityException: Permission Denial: starting Intent { act=android.media.action.IMAGE_CAPTURE flg=0x3 cmp=com.lge.camera/.app.CameraActivity clip={text/uri-list U:content://it.ibc.easytaxassistant.fileprovider/my_images/IMG_20170519_001401.jpg} (has extras) } from ProcessRecord{d5d014a 3523:it.ibc.easytaxassistant/u0a363} (pid=3523, uid=10363) with revoked permission android.permission.CAMERA
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at Java.Interop.JniEnvironment+InstanceMethods.CallNonvirtualVoidMethod (Java.Interop.JniObjectReference instance, Java.Interop.JniObjectReference type, Java.Interop.JniMethodInfo method, Java.Interop.JniArgumentValue* args) [0x00089] in <5716a943049b49ca928a3a1c8d2386f4>:0 
  at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeVirtualVoidMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x0005d] in <5716a943049b49ca928a3a1c8d2386f4>:0 
  at Android.App.Activity.StartActivityForResult (Android.Content.Intent intent, System.Int32 requestCode) [0x00044] in <8804aaaf21bc4f45b576b50092b57059>:0 
  at Plugin.Media.MediaPickerActivity.OnCreate (Android.OS.Bundle savedInstanceState) [0x002e8] in C:\Users\mrina\Documents\EasyTax\EasyTax\EasyTax.Droid\PluginMedia\Media.Plugin.Android\MediaPickerActivity.cs:192 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0003e] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter`1[TResult].GetResult () [0x00000] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at Plugin.Media.MediaImplementation+<TakePhotoAsync>d__14.MoveNext () [0x00103] in C:\Users\mrina\Documents\EasyTax\EasyTax\EasyTax.Droid\PluginMedia\Media.Plugin.Android\MediaImplementation.cs:119 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0003e] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at System.Runtime.CompilerServices.TaskAwaiter`1[TResult].GetResult () [0x00000] in <d18287e1d683419a8ec3216fd78947b9>:0 
  at EasyTax.Pages.LoginPage+<OnAppearing>d__5.MoveNext () [0x000d0] in C:\Users\mrina\Documents\EasyTax\EasyTax\EasyTax\Pages\LoginPage.xaml.cs:69 
  --- End of managed Java.Lang.SecurityException stack trace ---
java.lang.SecurityException: Permission Denial: starting Intent { act=android.media.action.IMAGE_CAPTURE flg=0x3 cmp=com.lge.camera/.app.CameraActivity clip={text/uri-list U:content://it.ibc.easytaxassistant.fileprovider/my_images/IMG_20170519_001401.jpg} (has extras) } from ProcessRecord{d5d014a 3523:it.ibc.easytaxassistant/u0a363} (pid=3523, uid=10363) with revoked permission android.permission.CAMERA
	at android.os.Parcel.readException(Parcel.java:1683)
	at android.os.Parcel.readException(Parcel.java:1636)
	at android.app.ActivityManagerProxy.startActivity(ActivityManagerNative.java:3169)
	at android.app.Instrumentation.execStartActivity(Instrumentation.java:1520)
	at android.app.Activity.startActivityForResult(Activity.java:4317)
	at android.app.Activity.startActivityForResult(Activity.java:4276)
	at md5549afffe105057810602fcd0a1fcabc3.MediaPickerActivity.n_onCreate(Native Method)
	at md5549afffe105057810602fcd0a1fcabc3.MediaPickerActivity.onCreate(MediaPickerActivity.java:42)
	at android.app.Activity.performCreate(Activity.java:6757)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2703)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2811)
	at android.app.ActivityThread.-wrap12(ActivityThread.java)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1528)
	at android.os.Handler.dispatchMessage(Handler.java:102)
	at android.os.Looper.loop(Looper.java:154)
	at android.app.ActivityThread.main(ActivityThread.java:6316)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:872)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:762)
}