ほったブロックが帰ってこない

on break:
    add past event-block to {blocks::*}
    send past event-block
    send event-block
on place:
    add event-block to {blocks::*}
command /resetworld:
    permission: op
    trigger:
        loop {blocks::*}:
            set block at loop-value to loop-value's type
            send loop-value's type
            send loop-value
        delete {blocks::*}
        broadcast "&bワールドをリセットしました。"