Obviously before the patch I was low on materials on my Hunter/Titan since my Warlock was my main for a long time. So on release I converted everything I had to the new "material" and logged in today to see that I had 82 instead of the 3k+ that i converted. They may have been gone earlier then that but I wasn't paying attention obviously. Account theft wouldn't make sense, why would they only delete the armor materials? and 3k+ of them? Unless I missed something HUGE in the story line or something there's no explanation for what has happened.
PROOF: http://i.imgur.com/qIYhuyB.jpg
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please, i cant do anything without all of these materials, this shouldn't even be a problem.