Getting Invalid URL Error while adding the BI report URL as embeded content in the dashboard

Summary:

I am trying to add the existing BI report to in the dashboard.Though i ma providing the correct BI Report URL while adding embedded content i am still getting the Invalid URL error as it is automatically replacing space with some special characters.

Actual URL: /shared/Custom/CH Custom/Reports/Learn/Reports/Classroom Report

URL in the Embedded Content : /shared/Custom/CH Custom/Reports/Learn/Reports/Classroom Report

I am not really sure whats wrong.

That would be great if anyone can help me with this.

Thanks,

Minati