does anyone know when enrolment would happen for current student

To give a bit of background information. I had to retake one of the MBA course for the next semester. I am currently enrolled in MBA online program. Does anyone know when enrolment would happen. I was advised to enrol from august 27 by my academic tutor. I am still expecting an email with instruction for enrolment. is anyone on the same boat? My course does not start until Oct.24. 2022