My want to read/reading/already read tags also got messed up after a couple years of not logging on..l have not found a way to fix it. I recommend using an external site to also track your reading… since I was tracking in both places, ultimately losing my stuff on here didn’t bother me too much. I use mangaupdates.com, which is janky but it’s well updated in terms of actual titles
Sorry you had to experience this too :(

Due to my work i had stopped reading yaoi and using this website all together for some months, and when i started using it again i realized all of my homepage tags such as want to read, im reading, already read tags were all gone. the mangas i booked marked were still there but those were gome i think i had 300+ pgs of mangas there is there any way i can recover that? (/TДT)/