How can i save an array of custom class objects ?

Hi,

I’d like to create a pokemon team system. I’ve created a Pokemon Blueprint class, with some variables like the name or the level. Every pokemon are a child class from this pokemon class. My problem append when i’d to save my team with the save game system. I don’t know why but i can save basics variables like int or strings but i can’t save a class or something like that. When i’m changing level for exemple, my team is deleted.

Thinks for your help and sorry for my bad english. If you have any questions ask me