How can I solve this error:
> Error:Execution failed for task ':app:processDebugResources'. >
> com.android.ide.common.process.ProcessException:
> org.gradle.process.internal.ExecException: Process 'command
> 'C:\dev\sdk\android-sdk-essential\build-tools\24.0.1\aapt.exe''
> finished with non-zero exit value 1