Existing site that has been using Themler successfully for close to a year. Last update was about 30 days ago with no problems. Edit template now button fails - on click, site home page is displayed...

Hi, This is my main site and i can do anything on the template as I get a 404 error. Revise: It will not let me export the template either so i have included an ftp download of Themler core and the...