Help for Aimeos

Tried to use php artisan aimeos:setup default or without default then now i tried to login with my admin account and then enter http://127.0.0.1:8000/extadm it gives me this error... HttpException in Handler.php line 107: This action is unauthorized. in Handler.php line 107 at Handler->render(object...

for setting up Aimeos again, does that mean i just do the exact same procedures described in the documents Installation - Install the Aimeos package again and that will do?
Thanks!

or someewhere i can amend the name back? coz all the extadm paths i assess appear to be the same error page.

then anyway i can revert that action ?
thanks for your reply!

I was trying to test how to make a new site. Before doing that, I rename "Default" site to other name and since then the extadm no longer working with the following errer.... please help Exception in Standard.php line 126: Site for code "default" not found in Standard.php line 12...

following the creating your first product guide product is created but the price does not show. (trying to attach the screenshots here but failed) what can possibly go wrong? I added the price and saved already but it just doesn't show. I associate the photo it worked, but just the price. Please hel...