Selecting "Choose..." option from My Courses dropdown on Participants page generates error: Can not find data record in database table course

On the Participants page, selecting selecting 'Choose...' from the My Courses dropdown results in an error.

Pre-condition:
User used for testing is enrolled in at least course

Steps to reproduce:
1. As a user with at least one course enrollment, access a course.
2. In Navigation block, click Participants.
3. From My Courses dropdown, select the 'Choose...' option.

Expected results: The form should not submit.
Actual results: The form submits, but 'Choose...' isn't a valid course and an error results.

Can not find data record in database table course

Debug info: SELECT * FROM course WHERE id = ?
[array (
0 => 0,
)]
Error code: invalidrecord
Stack trace:
• line 1357 of /lib/dml/moodle_database.php: dml_missing_record_exception thrown
• line 1333 of /lib/dml/moodle_database.php: call to moodle_database->get_record_select()
• line 43 of /user/index.php: call to moodle_database->get_record()