java.lang.RuntimeException: Unable to start activity ComponentInfo{com.entitcs.office_attendance/com.entitcs.office_attendance.signup_activities.Signup_Option}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.IBinder android.view.View.getWindowToken()' on a null object reference
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4655)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:4863)
	at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:112)
	at android.app.servertransaction.TransactionExecutor.executeNonLifecycleItem(TransactionExecutor.java:220)
	at android.app.servertransaction.TransactionExecutor.executeTransactionItems(TransactionExecutor.java:148)
	at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:120)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:3089)
	at android.os.Handler.dispatchMessage(Handler.java:109)
	at android.os.Looper.loopOnce(Looper.java:250)
	at android.os.Looper.loop(Looper.java:340)
	at android.app.ActivityThread.main(ActivityThread.java:9878)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:621)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:957)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.os.IBinder android.view.View.getWindowToken()' on a null object reference
	at g5.b.a(Unknown Source:18)
	at com.entitcs.office_attendance.signup_activities.Signup_Option.onCreate(Unknown Source:55)
	at android.app.Activity.performCreate(Activity.java:9374)
	at android.app.Activity.performCreate(Activity.java:9326)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1526)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:4631)
	... 13 more