One of my courses won't display any content when it's opened. When I click the course's link only the its title and the Turn Editing On / Off button is displayed. None of the topics, activities, resources or blocks appear. When I try opening other courses in the category they work fine.
I've tried changing the the theme from evolove-D (which is our main theme) to Clean but it makes no difference. I've also tried creating a test course in the category and that displays all of the content without any problems.
I'm running Moodle 3.1.5+ (Build: 20170324).
If anyone has any advice or suggestions on how to fix this it would be a great help.