Campaign progress reset

Finished the campaign, challenges and acheivments completed.
Now the game is saying I havn’t completed a single mission and I am unable to veiw or select anything past the first mission.
Is this a fix for this other than replaying the entire game?

bump

bump

exact same issue but 343i are being jerks and are avoiding all these campaign reset issues and Microsoft support are adimant that its a server issue after an update
ghowever on waypoint it has kept my solo progress but on console it hasnt

bump
cmon 343i answer the problems microsoft sent me here for a solution and you are letting us all down by not even giving an answer

this exactly

my internet dropped suddenly and when i got back on this happened to me too.