The system will not delete old/expired events. System just moves to a blank screen. The same applies when i try and delete individual registrations. Have attempted by moving to trash and by selecting individually/Users/Calypso/Desktop/Screen Shot 2018-10-06 at 13.56.49.png/Users/Calypso/Desktop/Screen Shot 2018-10-06 at 13.58.40.png
A blank screen usually means a fatal error is being thrown and your server is (correctly) set to not display the error on the page. Your host will usually have a section in your control panel to view any errors on your site, if you check there do you see any errors from EE?