It doesn't matter about the to do nothing part I just need to know why it won't work:
(The part that doesn't work is the formatting part of the shop)
Code:
command /seeds:
trigger:
open virtual chest named "&aSeeds Shop" to player
format slot 10 of player's current inventory to a coal named "&8Coal &aSeeds" to do nothing
(The part that doesn't work is the formatting part of the shop)