Does your grenade class have a subclass that overrides ShowExplosion() but forgets to call Super::ShowExplosion()? Or if you override it in a blueprint, does it call Parent: ShowExplosion?
Does your grenade class have a subclass that overrides ShowExplosion() but forgets to call Super::ShowExplosion()? Or if you override it in a blueprint, does it call Parent: ShowExplosion?