Lvl 200 Summon Macro

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Hi Guys, im having trouble with a macro im using. Its for the lVL 200 summon. The problem im having is that when i've used the spell and the summon is there for some reason after some time my char will use the spell again (this makes the summon dissapear if its still allive) and i dont knpw how to fix it.

The macro is below:
10000

{Summon Emberwing}
mananeed:=2000
Str.Set(spell, utevo gran res sac)
manaid:=23374
Str.Set(namecreature, Emberwing)
Cooldown.UnBlocked(summon)==1
Self.Mana()>=!mananeed [1]
Self.Say(!spell)
Cooldown.Create(summon, 100000)
Creatures.ByName(!namecreature)<1
Exit()

{1}
Creature.ShootOn(:SelfID, !manaid)
Exit()