Blocked: Custom cookie permission
Message
Firefox:
CookieBlockedByPermission=Request to access cookies or storage on "X" was blocked because of custom cookie permission.
What went wrong?
A request to access cookies or storage was blocked because there's a custom user-defined permission set.
The permission can be changed or removed by:
- Going to Preferences > Content Blocking > Cookies and Site Data
- Clicking on the Manage Permissions button and updating the listed exceptions