All-in-One Calendar by Then.ly

added plugin, activated and checked settings, updated. Now my wordpress dashboard is gone, I only see the All-in-One Calendar by Then.ly dashboard. What happened to my regular dashboard? When I try to get into https://ctproductsandservices.com/wp-admin/ I arrive at https://ctproductsandservices.com/wp-admin/index.php which is the all-in-one calendar. I tried to get to my wordpress ctproductsandservices.com dashboard, but could not. Hope you can help me a.s.a.p. Would love to use the all-in-one calendar in my website: https://www.ctproductsandservices.com. PLEASE HELP