Market price doesn't work

Stacks address:SP16Q5059X1P0TDBY3JK6KEAYNTQMMAC6GEX7945E
Descriptions:i placed market price order ,but the buying price doesn;t change to market price, i press “buy” button,i appear like the following picture.and i refresh the page ,it collapsed
Screenshot:

Discord ID:babenanhlockgh#3903
Telegram ID: @jianjietyu

Market Order is now ALIVE.