Legendary MC Saga playlist bug

My friend & I did the Halo CE Laso part of the “Legendary Master Chief Saga” playlist (LMCS) in the Cross-Game playlist, and once we beat The Maw it loaded Cairo Station. We quit when CS loaded up, and on the playlist menu, it said we didnt finish the Maw, but we had a resume checkpoint on CS. So we started the LMCS playlist again, beat CE again, and after the Maw it said the same thing. But mine now says 11/46 missions completed, as Heretic and Armoury are now classed as done. My friends said he had now completed Armoury but not Heretic. We have done every level in co-op.

We would like to see the playlist completed as its the rarest playlist on the leaderboard, and we have done each Laso many times so can do this. But the LMCS playlist missions completed is not acknowledging the levels we have actually completed. We know if we finish the playlist the menu wont say we have finished it because The Maw isnt showing it is completed.

Has anyone else found this?

Anybody? We have done it again, and are at The Maw ready for when this bug can be addressed

Has anyone here done the playlist co-op?