Did you actually work in NJ? If you did the work in TX, that income is not taxable in NJ. But assuming you did work in NJ, make sure you are completing a nonresident NJ tax return. Instructions linked here.
When you go through a nonresident return, TurboTax will show you all of your income and ask you how much of that income belongs to NJ. Go back through the nonresident return and make sure you only allocate the business income to NJ.
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