java.lang.IndexOutOfBoundsException: Index 1 out of bounds for length 0
	at jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64)
	at jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70)
	at jdk.internal.util.Preconditions.checkIndex(Preconditions.java:266)
	at java.util.Objects.checkIndex(Objects.java:359)
	at java.util.ArrayList.get(ArrayList.java:434)
	at com.entitcs.office_attendance.sales.Add_Invoice_SummaryNew$p$d$a.onClick(Unknown Source:15)
	at androidx.appcompat.app.AlertController$c.handleMessage(Unknown Source:37)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loopOnce(Looper.java:210)
	at android.os.Looper.loop(Looper.java:299)
	at android.app.ActivityThread.main(ActivityThread.java:8319)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:556)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1038)