Can't build apk getting error

Below is what appears in the console after trying to compile:

 CommandInvokationFailure: Failed to re-package resources. See the Console for details.
 D:\Users\irhyi\AppData\Local\Android\android-sdk\build-tools\24.0.0\aapt.exe package --auto-add-overlay -v -f -m -J gen -M AndroidManifest.xml -S "res" -I "D:/Users/irhyi/AppData/Local/Android/android-sdk\platforms\android-24\android.jar" -F bin/resources.ap_
 stderr[
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 stdout[
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 UnityEditor.Android.Command.Run (System.Diagnostics.ProcessStartInfo psi, UnityEditor.Android.WaitingForProcessToExit waitingForProcessToExit, System.String errorMsg)
 UnityEditor.Android.PostProcessAndroidPlayer.Exec (System.String command, System.String args, System.String workingdir, System.String[] progress_strings, Single progress_value, System.String errorMsg)
 UnityEditor.Android.PostProcessAndroidPlayer.CompileResources (System.String stagingArea, System.String packageName, UnityEditor.Android.AndroidLibraries androidLibraries)
 UnityEditor.Android.PostProcessAndroidPlayer.PostProcessInternal (System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry)
 UnityEditor.Android.PostProcessAndroidPlayer.PostProcess (BuildTarget target, System.String stagingAreaData, System.String stagingArea, System.String playerPackage, System.String installPath, System.String companyName, System.String productName, BuildOptions options, UnityEditor.RuntimeClassRegistry usedClassRegistry)
 UnityEditor.HostView:OnGUI()

I don't understand what the problem is. Thanks for the help.