Machine Learning with Python Projects - Linear Regression Health Costs Calculator

Tell us what’s happening:
InvalidArgumentError: assertion failed: [Labels must be <= n_classes - 1] [Condition x <= y did not hold element-wise:] [x (head/losses/Cast:0) = ] [[0.28][0.28][1.69]…] [y (head/losses/check_label_range/Const:0) = ] [1] what does this error mean?

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Challenge: Machine Learning with Python Projects - Linear Regression Health Costs Calculator

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i cant copy paste my code due to this
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