My Ticket Stripe premium

I have purchased and installed the My Tickets Stripe add on, which seems to work well, but it leaves a warning message at the top of all of my admin pages saying “Please enter your My Tickets: Stripe license key to be eligible for support & updates.” when I have added the stripe licence and it has been accepted and seems to be working.

The warning message is annoying, and doesn’t have an X to remove it.

https://www.ads-software.com/plugins/my-tickets/