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I put "Stage" as the "Editor Startup Map" instead of as the "Game Default Map." So I switched the "Game Default Map" from "FirstPersonMap" to "Stage" and it built the correct scene.

I incorrectly put "Stage" as the "Editor Startup Map" instead of as the "Game Default Map."
enter image description here

So I switched the "Game Default Map" from "FirstPersonMap" to "Stage" and it built the correct scene.
enter image description here