Your software
My Mautic version is: 2.16 and 3.0.2
My PHP version is: 7.3
My Database type and version is: MariaDB (unknown exactly version. I could ask if necessary)
Your problem
My problem is: I would like your help for importing 1500 contacts from a 2.16 Mautic version to a 3.0.2. Which is the best way to achieve it?
These errors are showing in the log: No errors
Steps I have tried to fix the problem: I have tried nothing yet.
Thanks for your help.