Hi!
This adapter is not well supported, that’s why you’re having issues with it, as mentioned in the course requirements you need a powerful adapter that supports monitor mode and packet injection,checkout the adapters on the following link, they all support monitor mode and packet injection:

https://www.zsecurity.org/shop

If you’re not sure which one to get the checkout the adapters video in the resources of lecture 13, here is a link to it anyway:

Thanks!
Diego