I am stuck at 9.2, whenever I hit run button, it shows error "Group by the category" and browser crashed. Below is my code, can anyone help? Thank you

select *,

case name

when 'kale-smoothie' then 'smoothie'

when 'banana-smoothie' then 'smoothie'

when 'orange-juice' then 'drink'

when 'soda' then 'drink'

when 'blt' then 'sandwich'

when 'grilled-cheese' then 'sandwich'

when 'tikka-masala' then 'dinner'

when 'chicken-parm' then 'dinner'

else 'other'

end as category, round(1.0 * sum(amount_paid) /

(select sum(amount_paid) from order_items) * 100, 2) as pct

from order_items

group by 1

order by 2 desc;

I basically just replaced /**/ with sum(amount_paid)