Your software v3.1.2
My PHP version is : 7.201
My MySQL/MariaDB version is (delete as applicable): mysqlnd 5.0.12-dev
Updating/Installing Errors
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 :
Your problem
My problem is : Is there a guideline for upgrading from v3 to v4 using the public Docker images Docker Hub? And also between minor releases?
Steps I have tried to fix the problem :