using unity standart asses refrence randomly doesnt work

im using using UnityStandardAssets.Characters.FirstPerson; for a while now but it dump now just an error

does anyone has this broblem before and fixed it…?

if you need more information to help me just ask

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Unity’s standard assets are kind of dumb. You have to move them out of the “Standard Assets” folder they’re imported in, then you should be able to reference them like any other script. They get their own assembly for reasons I don’t understand, but moving them should fix it.