Mautic Implementation

Hi guys. glad to be here.
I just installed Mautic 5 on my server and I want to work with it.
I searched Google and Mautic sites and I couldn’t find any documentation on how to send an event to my Mautic server.
could anyone help me?
Your software
My Mautic version is: 5
My PHP version is: 8.1
My Database type and version is: MariaDB

Your problem
My problem is: I want to implement Mautic on my website and send event to my Mautic server.

These errors are showing in the log:

Steps I have tried to fix the problem:

Event = pageview event?