Installed and setup done based on the documentation provided. Not working

Dear Joomlart,

EXTENSION: JA MEGAFILTER

Installed and setup done based on the documentation provided.
Not working. KIndly advice.
Screen dumps are attached for your reference.

Thank you.

Regards,
Venkat Chinniah
App consultant & Architect.

Your site's URL seems not working now, could you check?