If you use an iPad or iPhone when monitoring an exam you could get a problem to see the Lock or Unlock student. This happens if a student code and email address is long and the choices to Lock or Unlock the student is placed outside of the window.
Solution: We have now released a fix on this and you will now be able to scroll and see all the functions in the Monitoring view.
Article updated with iPhone: 20190628
Article updated with solution: 20191025