Subreport with Rest API

Hello:

I have a report with a subreport . Report and subreport are deployed in the jasper server.

When I use the Rest API to run the report, I get an error in the ejecution . The error is: "The report Email.jrxml not found" . (Email.jrxml is a subreport)

The subreport is in the reports folder and call it from the main report the follow way /reports/Email.jrxml.

Any suggestions ?