Question How can I fix this dropdown box issue?

[Lingo]

I have installed the plugin and everything seems to work absolutely perfectly except this:
[I would post a screenshot but I guessed it was easier for you to see it with your own eyes]
See here
Login: test
Pass: 123

It is the 'currency' dropdown and the transactions page is a bit weird when I click onto it.

Thanks is advance...

 

[Fillip H.]

I can't see anything because that user is currently banned.