Badass rank and mental well-being both gone in a glitch!

So 450 hours of life wasted. Yesterday my Xbox one handsome collection borderlands 2 Glitched and my bonus points and all my customizations are gone sure I still have my characters and their Rank and their weapons. It even still shows all of the challenges that I’ve been met but I went from having 16 or 17,000 ranking to 150. Sad and done. They won’t email me back and help. The game I loved so much hath betrayed me.