NS_ERROR_FILE_CORRUPTED How to fix? in Firefox console.

If you catch in Firefox console NS_ERROR_FILE_CORRUPTED then you have problems with local storage 🙁 Bad news
Good news. Fast fix:
Steps.
0. Close firefox and go to

C:\Users\{your_user}\AppData\Roaming\Mozilla\Firefox\Profiles\{random_string}.default\

1. remove(or rename) webappsstore.sqlite
2. Run Firefox.

Happy browsing)