Originally Blood Elves couldn't be Warriors. However, when Cataclysm released - Blizzard added Warriors as a playable class for Blood Elves.
The original Arcane Torrent ability generates mana when used, and since Warriors use rage - that would be pretty much useless for them.
Given this, Blizzard created a new Arcane Torrent ability that generates rage when used.
Along with this, the new ability also is considered a completely new entity internally. So it has a separate ID/etc.
Anywho!
The error that's coming up for you is: It's trying to cast the caster version of Arcane Torrent - which you do not have since you're a Warrior.
A simple check to see if we're a Warrior or not could be added so that the proper spell is cast.
I'll push an update that should fix this error. If you're using the store copy of the profiles, the update will be live at 11AM/PM UTC time.
Alternatively, if you use something like SVN, the update should be live within 10minutes of this post.
Thanks for the log!