Halo MCC Spartan Ops - Achievements Not Unlocking

I just bought my xbox One a few weeks ago and have been playing through The MCC, which I have been very much enjoying. Today though, I was playing Spartan Ops on Legendary and did not receive the "Catherine" achievement for completing ep3. All of the chapters show that I completed them on legendary, but the achievement will not pop up.

As I do not want to do it all over again, can you please tell me how to fix this?

Also, the achievement itself, says that it is 80% complete.

Thank you


Question Info

Last updated November 12, 2018 Views 12 Applies to:

Thank you for the quick fix! The achievement showed up randomly, which I'm guessing was the work of whoever read this.

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