LT3090 LTspice simulation failure


I want to employ LT3090 to achieve a -17.5V negative output. Taking this picture below as reference to draw my LTspice simulation circuit.

And here is my simulation circuit in LTspice below

But when it runs it fails at output voltage, show below.

The output probe indicates that here is a voltage near -20V even more than the input voltage -18.5V.

I call for real help, thanks!

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