All junk mail folders, reporting 'unread' mails

As indicated in the title, it would appear that my eMclient started doing this in the last week or so, as I noticed my junk mail reporting ‘unread’. This taking place on all junk mail folders throughout the accounts.

With that said, does anyone know what is causing this, and /or what can be done to stop this from happening?

I run multiple accounts and the number of junk mails needing review is proving to be very demanding