It changes often. Verify you are on the latest version of uBlock then force an update for any of the ad-block and Unbreak sources in your uBlock config. If th

It changes often. Verify you are on the latest version of uBlock then force an update for any of the ad-block and Unbreak sources in your uBlock config. If that does not work de-select all of them, restart the browser and enable one at a time to see when it breaks which may require restarting the browser each time to get reliable results.