Changing language while in a course settings form produces an error.

Replication steps:

1. Log in as admin
2. Ensure more than one language pack is installed and that users can switch languages
3. Switch to the Anomaly theme
4. Navigate to a course
5. Click Edit settings
6. Change languages using the drop-down at the top of the page

Expected result: The language is switched and the user is returned to the settings page

Actual result: An error message is displayed.

This operation displaying "Either course id or category must be specified" error message.

More information about this error

Debug info:

Error code: needcoursecategroyid

Stack trace:

    line 467 of \lib\setuplib.php: moodle_exception thrown

    line 62 of \course\edit.php: call to print_error()