Why there is a warning or error message " (vlog-2256) Event expressions should result in a singular type" when I compile _phy_alt_mem_phy.v in EDA simulation tools? - Why there is a warning or error message " (vlog-2256) Event expressions should result in a singular type" when I compile _phy_alt_mem_phy.v in EDA simulation tools? Description There is a missing syntax in <instance>_phy_alt_mem_phy.v line 1655. always @(extended_value, extend_using_this_bit_mask, dwidth_scaled_pre_extend_array) workaround code: always @(extended_value, extend_using_this_bit_mask, dwidth_scaled_pre_extend_array[k]) by assigning packed array as sensitivity list, then compilation will pass. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Stratix® IV GX FPGA'] ['novalue'] ['novalue'] ['novalue']