Components disappeared and were replaced randomly

I got my usual ‘unrecoverable database error’ that I get a few times a day despite being on a business plan and using glide tables. Anyways, today i opened the editor and a days work on a screen has been replaced by a calendar component instead of the 6 tabs with tables inside I had before. There is no way that I could have accidentally done this as I only just logged in.

Has this happened to anyone else ? Probably no way to recover lost work which is a bummer.