PS C:\Users\Lenovo> azure ad app create --name "informology" --home-page "http://www.informology.my" --identifier-uris "http://www.informology.my" --password xxxxxxxxx
info:    Executing command ad app create
+ Creating application informology
error:   Creating an application is not allowed for a Guest user. Please contact your administrator to be added as a member in your tenant.
info:    Error information has been recorded to C:\Users\Lenovo\.azure\azure.err