Object not found!

[mahaveer.apache]

Hi,

I have installed XAMPP 7.2.1-0 on my macOS High Sierra

http://localhost:8080/dashboard/ link is working fine.

then i created folder under dashboard folder as "working-files", and create one myhtml.html and myphp.php file under this folder.

but i am not able to access these files.. i am getting below error

Object not found!
The requested URL was not found on this server. If you entered the URL manually please check your spelling and try again.

If you think this is a server error, please contact the webmaster.

Error 404
localhost
Apache/2.4.29 (Unix) OpenSSL/1.0.2n PHP/7.2.1 mod_perl/2.0.8-dev Perl/v5.16.3

please help

regards