This page is chock full of information about teaching on Udemy.
Our minimum requirements for a course is that it contain at least 30 minutes of video content contained within at least 5 lectures.
Here are some great resources regarding course creation:
Hope it helps!
Hey @AnnSchide889, that's really strange! What do you see when you click the posts? It may be helpful to reach out to firstname.lastname@example.org with some screenshots so our team can look into it for you.