Key not recognized after purchasing the plugin PREMIUM

Hi,

I just purchased (via my ENVATO user “dhauptschein”) the key get accepted, I removed the free version of bulky plugin on my WP site https://snipboard.io/tO6NGj.jpg
Once trying to edit products, I see still the padlock on part of the fields like if i was not PREMIUM user: see here

https://snipboard.io/YsBpno.jpg

Please advise how I can make full use of the premium version

Thanks
David