My PHP version is : v4.1.1
My MySQL/MariaDB version is (delete as applicable): MySQL/MariaDB version
I am (delete as applicable): Installing / Updating
Upgrading/installing via (delete as applicable) : Web / Command Line
These errors are showing in the installer :
These errors are showing in the Mautic log :
My problem is :
How to create filtering segment for never read email users who was subscribed on 3 months since they subscribed? I want to not send email again to them to increase open rate and reduce spam rate.