I'd try asking for assistance with course issues in dedicated forums here. Participate\Ask A Question Learn / Cert Moderators will help you from there.
--please don't forget to
Accept as answer if the reply is helpful--
I have started the AZ-900 course via MS Learn - when selecting the pre-existing LEARN-XXX resource group to create VM (exercise 7/9) I get the following error "this resource group contains existing resources" and I am unable to create a new resource groups of any other name or delete any existing resource groups. How do I resolve this? (I can't find anything online relating to MS learning account resource groups.)
I should add: