If you encounter problems with Sortd it may be necessary or helpful to try clearing Sortd Cookies.
Click the Google Chrome Menu icon to the right of the address bar and then select the "Settings" menu option. Alternatively type "chrome://settings/" into your address bar. Click the "Show advanced settings...”
Click the "Content settings ..." button under the "Privacy" section.
The "Content settings" popup box should appear as shown below.
Click the “All Cookies and Site Data”, type “sortd” into the search bar and then say “Remove All Shown”.
NOTE: You will have to re-login to Sortd again after doing this, and the Gmail tab will need to be refreshed.