Whats wrong?

Whats wrong?

Hey I was wondering if someone here could help me wiht these caster system spell issues. How can you make it so a unit made by the caster system cannot be selected?

What do you mean by "An Unit Made by the caster system"? If you want to know how to make units untargetable, just give them the Locust Ability. BUt you can't give it through triggers by GUI to the units, unless you use WE Unlimited. However, you can give it to the units from the beginning, into the Object Editor.