I believe the NJ CBT 1065 is required if you have an out of state partner.  This is what I found on NJ website.  Is this your case?  The partnership can also file the PTE to pay the taxes for the partner to claim on their K1.

Form NJ- CBT-1065 must be filed when the entity is required to calculate a tax on its nonresident partner(s). Partners subject to the gross income or corporation business taxes still must report and pay tax on their share of partnership income or loss.