Console Error:
https://pastebin.com/52W19xEe

You have an outdated version of EssentialsX. Please update and let us know if the issue persists (and properly fill out the issue template, as we will not be able to help you further otherwise).

This has been fixed in builds 2.17.0.3 and above - updating as per pop's suggestion should have fixed the issue. If you are still experiencing this problem, please reply to this thread (with a complete issue template).