Press the confirm button. In case of success, your new bbs will be created and a link to it will appear. In case of failure, read the troubleshooting section below. If you are unable to view the downloaded template file, that is what you must fix first. If the later cannot be found, you have not properly downloaded the template document, follow the procedure again.
Some sites use redirector services to wrap all requests into pages with publicity banners.
Look at the generated code again, you might notice an internal redirect to the real url of your template page. That is the url you should use. That url might be dynamic and change often, you should try to use a different web provider, if that is the case. A different user has created a board with the same name, you should choose a different alias. Letters and numbers are allowed, which gives you lots of combinations.