Problem with Free License

I have installed Chef Automate 2 but when I try to access and register to obtain a free license the following error is displayed in the browser:

api / v0 / license / status: 1 Failed to load resource: the server responded with a status of 404 (Not Found)

How can I solve it?

I have followed the steps indicated here: and the version of Automate 2 is the last one. The command chef-automate version shown the nex output:

CLI version: 20180727232134
Server version: 20180728222031