CoursesView: census is undefined when mass deleting courses

Kerberos: cthielen

Full Error: undefined is not an object (evaluating 'course.census')

Stack: http://localhost:9000/js/courseApp.js?rel=1510171926900:1984:15
$emit@http://localhost:9000/js/lib.js:27747:38
reduce@http://localhost:9000/js/courseApp.js?rel=1510171926900:4441:20
http://localhost:9000/js/courseApp.js?rel=1510171926900:3280:30
processQueue@http://localhost:9000/js/lib.js:26198:30
http://localhost:9000/js/lib.js:26214:39
$digest@http://localhost:9000/js/lib.js:27310:36
$apply@http://localhost:9000/js/lib.js:27605:31
http://localhost:9000/js/lib.js:27903:28
completeOutstandingRequest@http://localhost:9000/js/lib.js:15779:15
http://localhost:9000/js/lib.js:16058:33
2017-11-08 12:14:18,853 [http-nio-8080-exec-3] INFO e.u.dss.ipa.utilities.EmailService - ConsoleEmailService will 'fake' e-mail send by design.
Subject: JS Exception: undefined is not an object (evaluating 'course.isSeries')
2017-11-08 12:14:18,853 [http-nio-8080-exec-4] INFO e.u.dss.ipa.utilities.EmailService - ConsoleEmailService will 'fake' e-mail send by design.
Subject: JS Exception: undefined is not an object (evaluating 'course.census')

Start at courseApp.js line 1984, using the reported stack trace, and inspect the CoursesView flow for mass deletion. Reproduce the deletion and trace which course becomes undefined before census or isSeries is accessed; done means mass deletion completes without either JavaScript exception.