java.lang.IndexOutOfBoundsException: Index 19 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.CRM.CRM_Add_Customer.A0(Unknown Source:21)
	at com.entitcs.office_attendance.CRM.CRM_Add_Customer.z(Unknown Source:0)
	at f4.r.a(Unknown Source:2)
	at jrizani.jrspinner.b$a.a(Unknown Source:44)
	at jrizani.jrspinner.a$b$a.onClick(Unknown Source:18)
	at android.view.View.performClick(View.java:7740)
	at android.view.View.performClickInternal(View.java:7710)
	at android.view.View.-$$Nest$mperformClickInternal(Unknown Source:0)
	at android.view.View$PerformClick.run(View.java:30629)
	at android.os.Handler.handleCallback(Handler.java:958)
	at android.os.Handler.dispatchMessage(Handler.java:99)
	at android.os.Looper.loopOnce(Looper.java:257)
	at android.os.Looper.loop(Looper.java:368)
	at android.app.ActivityThread.main(ActivityThread.java:8839)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:572)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1049)