I have published a course recently and my students are unable to get a certificate from the course even after completing it. I think while creating the course, maybe I didn't enable the creation of certificates.
I went through the Udemy docs and found this way on how to enable it - https://business-support.udemy.com/hc/en-us/articles/115007617967-How-to-Enable-Certificates-of-Comp...
But I'm unable to find this option in my account.
As far as I know, you do not have to enable any option, students automatically get certificate by completing the paid course. They could have left the assignment, or any other thing incomplete, you have to get to 100% progress.
If the course is set to Free, then certificates aren’t generated.
Looking at your course, I see it is paid and has certified enabled. If you don’t get a certificate as a student, that means that the student didn’t reach 100% completion and something wasn’t completed. A video, a quiz, something.
Check that it is at 100% and if that doesn’t fix it, contact Udemy support.