my domain stopped after uploading script from codecanyon on it

my domain stopped after uploading script from codecanyon on it
and before i enter the purchase code for the script called fickrr
i didn’t had the chance to do so
it gives me 503 error

Just remove the script from FTP. Your website should start working. It’s probably PHP compatibility issue

Hi @amr6574,

Please contact the author of your purchased Item, the Item author will assist you.

How to contact an author to get support or for any technical query:

Thanks