"Error in port widths or dimensions" while producting 27

Question

I need help about this problem. Problem occurred in the table switching circuit of invert. Anticipating your answers.

Error in port widths or dimensions.
Output port 1 of 'DPC/powergui/EquivalentModel1/Gates/From27' is a [1*2]matrix

Error in port widths or dimensions.
Invalid dimension has been specified for input port 27 of 'DPC/powergui/EquivalentModel1/Gates/Mux'.

I try Simulink DPC by inverter NPC.