vanishing stats

For several years I have been running extensive league games on Sportspress Pro. (5k players)

I think I know the plugin pretty well already, but Recently, however, I have noticed a disturbing symptom.

For some players, career summary performances disappear after a profile update. Some seasons and assigned teams stay, some also disappear.
Reselecting seasons and teams and updating doesn’t help. The profiles of these players seem stuck.

Stats in player lists display stats correctly, but their career summary disappears completely from profiles.

Here are preview: https://ibb.co/YTMCKWx

Could you please help me?

The page I need help with: [log in to see the link]