Animator returning error: "LoadAnimation requires the Humanoid object (Playername.Humanoid) to be a descendant of the game object"

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Getting error “LoadAnimation requires the Humanoid object to be a descendant of the game object” despite waiting for Character - Bug Reports / Studio Bugs - DevForum | Roblox

Just ran into this. Short version, the humanoid/character is loaded but not parented. Calling the function too fast. The solution in this link worked for me.