ID:176554 Can't place <name> PLL "<name>" -- I/O pin <name> (port type <name> of the PLL) is assigned to a location which is not connected to port type <name> of any PLL on the device

CAUSE: You assigned a pin to a location that is not connected to the specified port type of the specified fast PLL or enhanced PLL. As a result, the Fitter cannot place the PLL.

ACTION: Change the location assignment for the I/O pin or delete the assignment.