I have checked all folders - in unified public reports and My personal custom reports. Rechecked several times While I can create the report, I am unable to save. Without saving I Trailhead is unable to check. Please help and let me know how I can get this error resolved and move on.

Error is as follows:

Hi all,



There is some kind of problem with this... Seems the filter is on:



Thanks in advance

joseluis