Indices Out of Range

So you'll want to start by clicking F12 on your keyboard to open the developer console.

Then you'll want to select the tab labeled Application you may have to click on the small arrows on the right hand side of the console when doing this to access this tab. Once you have the Application tab open look for IndexedDB on the left hand panel, click the dropdown menu and select ScanningCache 

Once that is selected click the button labeled refresh database. 

Next refresh your browser, the icons and view will look messed up, this is expected and part of the fix so don't worry. Once it has finished refreshing click the upload button. If the scan was a larger one it may freeze and ask if you want to wait for the page or to cancel the process, make sure to select wait it will take a bit for it to upload but it will go through.