Dushy my log has 900,000 lines of this error and nothing else
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at Terraria.ModLoader.ItemLoader.GetItemInfo(Item item, Mod mod, String name)
at Terraria.Item.GetModInfo(Mod mod, String name)
at Terraria.Item.GetModInfo[T](Mod mod)
at DushyUpgrade.UpgradeProjectile.PreAI(Projectile projectile) in c:\Users\Dushy\Documents\My Games\Terraria\ModLoader\Mod Sources\DushyUpgrade\UpgradeProjectile.cs:line 19
There have been a few crashes, but yours isn't the only mod I'm using so nothing is certain.