Deleted second location from Airgradient Dashboard and cannot re-add location

Hi,

The microcontroller power connector on the original Airgradient pro preorder DIY kit that I preordered broke so I replaced it with a new microcontroller to keep using it. I previously added this Airgradient to the airgradient dashboard as a second location (since I previously add the basic Airgradient). I deleted the second location before trying to add the repaired Airgradient to the dashboard and now it has a lock icon on “Add Location” button and redirects me to the user plan page.

How can I continue using my repaired preordered Airgradient Pro kit on the dashboard like I was previously able to? Am I able to get back my second location slot since I used it before with the preordered kit? Thanks.