java.lang.IllegalStateException: Could not execute method for android:onClick
	at androidx.appcompat.app.l$a.onClick(Unknown Source:32)
	at android.view.View.performClick(View.java:7575)
	at android.view.View.performClickInternal(View.java:7531)
	at android.view.View.access$3900(View.java:842)
	at android.view.View$PerformClick.run(View.java:28866)
	at android.os.Handler.handleCallback(Handler.java:938)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loop(Looper.java:264)
	at android.app.ActivityThread.main(ActivityThread.java:8312)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:632)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049)
Caused by: java.lang.reflect.InvocationTargetException
	at java.lang.reflect.Method.invoke(Native Method)
	at androidx.appcompat.app.l$a.onClick(Unknown Source:23)
	... 11 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: length=0; index=-1
	at java.util.ArrayList.get(ArrayList.java:439)
	at com.entitcs.office_attendance.activities.ApproveRejectActivity.R(Unknown Source:30)
	at com.entitcs.office_attendance.activities.ApproveRejectActivity.approveOrReject(Unknown Source:30)
	... 13 more