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Co-op Trophies Not Unlocking
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I did the first Co-op mission with Offline/Spit-screen solo and unlocked the Trophy no problems when I completed it. Then, I decided to play Online Co-op on the 2nd mission "Side Tracked" and when we finished it, I did not unlock the Trophy for beating "Side Tracked".
What is going on and how do I fix this for the Co-op Trophies to unlock?