Steps to test:
Create a a test course
Go to test course -> participants -> enrolled users -> User bulk enrolment
Enter a email address with a case insensitivity and you will see an error
Add the patch
Enter a email address with a case insensitivity and you will see it goes through
This fixes issue https://github.com/moodle-an-hochschulen/moodle-local_bulkenrol/issues/30
Steps to test: Create a a test course Go to test course -> participants -> enrolled users -> User bulk enrolment Enter a email address with a case insensitivity and you will see an error Add the patch Enter a email address with a case insensitivity and you will see it goes through
Regards, Sumaiya