We've found the issue and resolved it on our internal servers. The fix will go Live in a patch soon.
In the meantime, if you get this contract abandon the quest and get another contract from the book as it pulls from a pool of quests.
Thanks for the reports. We've found this issue as well and resolved it on our internal servers. The fix will be in a patch soon.
If you have this contract abandon the quest and grab another contract from the book. They're random, so you won't likely get the same contract twice.