A token request was received for an application with the Uniform Resource Locator (URL) '%1', but the request could not be ...

A token request was received for an application with the Uniform Resource Locator (URL)  '%1', but the request could not be fulfilled because the URL does not identify any known application. 
URL: %1 

This request will be failed. 

User Action 
If this URL should be handled, verify that it matches the URL for the application in the Federation Service trust policy. Hypertext Transfer Protocol (HTTP) URLs are matched according to a set of rules in the HTTP specification. Host names are case insensitive, but the path portion of the URL is matched in a case-sensitive manner. 

Additional Data 
Refer to Request for Comments (RFC) 2616 for HTTP URL matching rules.