i need help fast

[craggy lava]

    if player's tool is light blue dye named "ɪɴꜰᴇʀɴᴏ ꜰʟᴀᴋᴇ":
        set {_target} to target entity
        if {_target} is set:
            shoot fireball at speed 1
            set {_fireball} to last spawned projectile
            on projectile hit:
                if projectile is {_fireball}:
                    if entity hit by the projectile is {_target}:
                        damage {_target} by 3```

line 9 dosent work

[rain ember]

actually id say line 7 too

you cant put events inside of events

[craggy lava]

so what is the fix?