Bookmarks disappeared

I created so many kinds of bookmarks and it was super imp for me but suddenly it's gone ... please restore them back It's extremely imp for me
PendingPending

This is what I see ...ss from one of the bookmarks

Inside each bookmark everything is empty and it takes a lot of time to even open it and it lags a lot and it's not problem with my phone ...even 30+ gb game runs smoothly on my phone and I still have a lot of storage empty

It's not working Please help me asap Kindly restore them back