Attempting to upload courses with a CSV containing enrolment_1 = cohort and valid enrolment_1_cohortname fails with Missing value for mandatory fields: cohortidnumber, role. This works with Moodle 4.3.4.

Steps to reproduce issue

1. Prepare a CSV file containing (assumes site has category with database ID 1):

shortname,fullname,category,enrolment_1,enrolment_1_cohortname

Course 1,Course 1,1,cohort,Cohort 1

2. As a site admin:

  a. Create a system cohort with name "Cohort 1".

  b. Go to Site administration > Courses > Upload courses.

  c. Upload the above CSV file and click Preview

Expected results

Status column has no warnings, clicking Upload courses shows Courses created: 1.

Actual results

Status column contains Missing value for mandatory fields: cohortidnumber, role, clicking Upload courses shows Courses errors: 1.