Grant Access to Report Folder
The first time you set the reports physical path up, the reports folder may not have the respective permissions.
If not you will not be able to upload any reports or see the report categories etc or see the error message below.
You will have to provide IIS users access to the folder.
Step 1: Click on edit to add the User
Step 2: Choose the respective Server from locations and look for IIS_IUSRS
Locations: Choose the server