Click on the Settings Menu icon in the top right hand corner of the Chrome browser.
Click on "More Tools" then select "Clear browsing data"
Make sure "Cached images and files" is selected, then click the blue button that says "Clear Browsing Data".
Close the Settings Menu Tab and make sure to press the F5 key on your keyboard on a PC or a Mac, press on hold the Command and "R" keys to refresh your screen.
Click Safari in the upper left hand side of your screen. In the menu that appears, click Preferences.
In the window that appears, click the Privacy tab. Click the button Remove All Website Data....
Click Remove Now in the pop up window that appears.
Then reload the dashboard and open the project.
From the History menu, select Clear Recent History. ...
From the Time range to clear: drop-down menu, select the desired range; to clear your entire cache, select Everything.
Next to "Details", click the down arrow to choose which elements of the history to clear; to clear your entire cache, select all items.
Then refresh your browser again.