Ship has negative value

I commandeered a ship and when i went to go sell it, the shipwright would only offer me one gold coin for it. I put it in the ships market and it said it's value was -350,000. Why is this?
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Juicypotato wrote:I commandeered a ship and when i went to go sell it, the shipwright would only offer me one gold coin for it. I put it in the ships market and it said it's value was -350,000. Why is this?