How do I Create a Spawn Sphere?

[A Person.]

I have been making interiors but certain parts my player goes through. The floor is solid but the rest of the interior my player goes through. The first interior I made was completely solid. :|  

New problem: Somehow the spawn sphere was deleted whilst making a map and I don't know how to create one.

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[A Person.]

Never mind. I found the answer here.

[heedicalking]

Do not scale in mission editor. Use a different exporter in constructor.

[A Person.]

Bump.

[A Person.]

I can't find it in the items.

[heedicalking]

Open the .mis file and copy another one from another map into the .mis, save it, then put it in the zip, then edit it in game.

[A Person.]

Open the .mis file and copy another one from another map into the .mis, save it, then put it in the zip, then edit it in game.

Thanks.