I received my tracking number, but it has no information.
Nothing to worry about! This is a totally normal practice, although we certainly wish the couriers would be more clear about it.
New tracking numbers typically do not register until the package is picked up and scanned by the courier, and sometimes not even until the package arrives at a sorting location.
If you have just received a tracking number but it returns no information at all, try it again tomorrow. The normal tracking activity should begin soon.