Post-layout Simulation Errors in Virtuoso with av_extracted view

Errors were discovered by the ghost during the flattening of the hierarchy.
Error (SFE-46): "input.scs" 3745324: The instance of `I4': `xxx' can have up to 6 terminals (but there are 78).

The content of the corresponding line of the post_layout simulation netlist input.scs is:
I4 (vdd!0 address\<7\>address\<6\>address\<5\>address\<4\> \
Address \ <3 \>Address\ <2 \>Address\ <1 \>Address\ <0 \> clk cs \
Read_data \ <31 \> read_data \ <30 \> read_data \ <29 \> read_data \ <28 \> \
Read_data \ <27 \> read_data \ <26 \> read_data \ <25 \> read_data \ <24 \> \
Read_data \ <23 \> read_data \ <22 \> read_data \ <21 \> read_data \ <20 \> \
Read_data \ <19 \> read_data \ <18 \> read_data \ <17 \> read_data \ <16 \> \
.....

Click to expand...

Module aes (clk, reset_n, cs, we, address, write_data, read_data, VDD, VSS);
Enter the [7:0] address;
Input [31:0] write_data;
Output [31:0] read_data;
Enter clk, reset_n, cs, we;
Input VDD, VSS;
...