Due to a problem in the Quartus® II software version 11.0 SP1 and later, you may see an error like the following when running the ModelSim-Altera Edition software for gate-level simulation.
# ** Error: (vsim-SDF-3250)
<filename>.sdo(<line number>): Failed to find
module name : cycloneiii_routing_wire
instance name : wire_delay
To work around this problem, edit the <design>_run_msim_gate_vhdl.do file and add the options
-sdfnoerror -sdfnowarn to the vsim command.