Had to delete every lua from account folder and it works again. Problem solved.

Hi same problem here.
Made a group for scena hm, then i tried to join an other group after clearing it. It failed and ask me to leave actual group wich was impossible to do. I couldn't clic on the 'yes' button (do you want to delete group) the wait list was growing bigger and bigger and at some point i tried to log out. After that i have exactly the same problem : All tabs are greys, minimap icone doesn't show, install/desinstall doesn't work.

Don't know where this is coming from.