pll_powerdown error when using PCI Express megafunction generated by Megawizard

Hi

Using Megawizard Plugin Manager that comes with Quartus II 10.1 edition, I generated the PCI Express megafunction. When I run the simulation it gives an error

Error: (vsim-3063) ../../../top.v(516): Port 'pll_powerdown' not found in the connected module (12th connection).

I want to use it on Arria II GX Board. I configured it for x1 Lanes, App clk 125Mhz, Xcvr_ref_clk 100Mhz, 64 tags, 256 Bytes Max payload size and the Desired performance of received requests to be Maximum.

Thanks,

Raj