Error on Submit a job page

Warning: getimagesize(https://www.getworkineurope.com/wp-content/themes/theme52112/images/parallax-signup.jpg): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /home/webukra/abroadjobsineurope.in/www/wp-content/themes/theme52112/job_manager/account-signin.php on line 13

Not sure what’s going on, but this used to work and now it doesn’t. Any idea how I can fix this problem? I even uninstalled it and then reinstalled it.

The page I need help with: [log in to see the link]