ID:176559 Can't place <name> PLL "<name>" in PLL location <name> because I/O cell "<name>" cannot be placed in I/O pin <name> (port type <name> of the PLL)

CAUSE: The Fitter cannot place the specified fast PLL or enhanced PLL in the specified location because the specified I/O cell cannot be placed in the specified PLL I/O pin due to device constraints. This message is a submessage of the message that precedes it in the Messages window and in the Messages section of the Report window.

ACTION: Assign the specified I/O cell to a different I/O pin.