Issues with Dashboard and Want to reset or Delete Account

Hi, I need assistance with 2 PI devices that I cant delete from my web dashboard. They are showing no data and I cant access the cog when to delete these 2 devices. Any assistance would be appreciated.

Cheers

what error it shows when trying to delete the pi?

Would also be helpful to have the messages in your browser console. Hit F12 and click the settings button and paste back and messages that show up in the console tab.