See if the Base URL is set properly in the tracking snippet
It should point to the server that is hosting the freshlytics system
Make sure the COLLECT_URL
in tracking snippet is <BASE_URL>/api/collect
and not <BASE_URL>/collect
Try making a CURL request to the freshlytics system using $ curl <BASE_URL>/api/collect
this should return a {"message":"project_id not sent"}
error
Make sure the database migrations and seeding is done as per the instructions in the "Installation" page.