ID:15271 ATX (LC) PLL: < <text> > is connected to a PCI Express Hard IP block in your design. The current location of ATX (LC) PLL on the device: <text>, is not connected to a PCIe Hard IP block. Instead, place the ATX (LC) PLL at device location: <text>.

CAUSE: Your design connects the specified ATX (LC) PLL connected to a PCI Express Hard IP block, however the location of the ATX (LC) PLL on the device does not have a connection to a PCIe Hard IP block. As a result, your design cannot progress through the Fitter.

ACTION: Assign the ATX (LC) PLL to the specified location.