Impossible to login from new device (once installed) - says "Install limit reached"

Dear community,

I have bought a new computer today and wanted to install TeamViewer. I do have a business account for one user/one connection (level 1) and have had 5 computers to connect to. This new one would be the 6th. 

After installing TeamViewer, it tells me that I can not login from this computer because the number of device has been exceeded (install limit reached). Yet when I look into my Account profile, it says I should be allowed 9.

My new computer appears as connected in the list. If I connect to it from my laptop, it works!!!

In the error messqge, it also says "To deactivate an install, sign in to your account on login.teamviewer.com". I have deleted a couple of computers yet the problem remains.

Thanks for your help.

Jerome