Lost Online Progress

Hi I just lost all of my online progress. Maybe it’s because of an update. Do you guys fix this on a case by case basis? Or is it a universal fix?

Ranks in playlist get reset with each new season

“Pre-Season is over Spartans! Season 1 kicks off with Cartographers Gift in ranked Arena playlists. Finish all of your placement matches in a playlist to unlock a one-time only Season 1 REQ Pack at the end of the Season.”

https://www.halowaypoint.com/en-us/games/halo-5-guardians/updates/Cartographers-Gift