Same thing just happened to me with the Peregrine safeguard. I /bugged it, hopefully they can get it straightened out soon.
I guess it wouldn't be a new issue if it didn't break a few things. 
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I logged this as a bug as well. How do we actually see if this bug has been reported before? What part of the forum is it under?
Ran it today, except, the bad guy and his henchman were only floating knapsacks. Couldn't defeat them to finish the mish. This happen to anybody else? Logged it to support.