Having Problem plz help

[Light Ranger]

Ok so me and my friend are new at this and we both made some cool spells i made some on my computer and he made some on his but ever time we try to import his spells to my computer it say that all my custom spells will be lost how can i have my spells and get his on my computer to :?:

 

[Panto]

Why don't you open up both maps in your WE and copy the spells manually (Ctrl+C) and paste them into your map (Ctrl+V)?