Unable to create a new course as an Admin

[jvparin]

This pops up in the Chrome console after filling out the necessary course fields and clicking the "Create Course" button:
TypeError: Cannot read property '_id' of undefined
at Scope.CourseFormCtrl.$scope.submitForm (courseform.controller.js:75)
at fn (eval at compile (angular.js:15812), :4:217)
at callback (angular.js:27956)
at Scope.$eval (angular.js:18796)
at Scope.$apply (angular.js:18895)
at HTMLFormElement. (angular.js:27961)
at defaultHandlerWrapper (angular.js:3802)
at HTMLFormElement.eventHandler (angular.js:3790) #