 --> [ local path prefix ]/port_instance/undef_product_send.fpp:3:3
  |
3 |   product send port productSendOut
  |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot find port `Fw` in scope

 --> [ local path prefix ]/port_instance/undef_product_send.fpp:3:3
  |
3 |   product send port productSendOut
  |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not a port symbol

