UNABLE TO MERGE ANDROID MANIFEST!!

Help me im trying to build my app with unity ads but i already delete it i just turn off the unity ads when i saw this problem.. My Android sdk is API 22 5.1 lollipop. And in the player settings i set the minimum api to API 22 android lollipop 5.1. But this happens!!!

CommandInvokationFailure: Unable to merge android manifests. See the Console for more details. C:/Program Files/Java/jdk1.8.0_121\bin\java.exe -Xmx1024M -Dcom.android.sdkmanager.toolsdir="C:/Program Files/Android\tools" -Dfile.encoding=UTF8 -jar "C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -

stderr[

] stdout[ Warning: [Temp\StagingArea\AndroidManifest-main.xml:2, C:\Users\Magbanua\Desktop\AngeloFiles\Unity3d Games\ARCONTROLLER\Temp\StagingArea\android-libraries\UnityAds\AndroidManifest.xml:3] Main manifest has but library uses targetSdkVersion='23' ] exit code: 1 UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) UnityEditor.Android.AndroidSDKTools.RunCommandInternal (System.String javaExe, System.String sdkToolsDir, System.String[] sdkToolCommand, Int32 memoryMB, System.String workingdir, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) UnityEditor.Android.AndroidSDKTools.RunCommandSafe (System.String javaExe, System.String sdkToolsDir, System.String[] sdkToolCommand, Int32 memoryMB, System.String workingdir, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg) UnityEditor.HostView:OnGUI()