ID:19445 The VCO frequency for IOPLL "<PLL name>" is outside the allowed range (600 MHz to <VCO frequency's upper limit> MHz). Regenerate the IOPLL IP with a legal VCO frequency.

CAUSE: The VCO frequency is too high for this device's speedgrade.

ACTION: Please check that the VCO frequency is valid for your device's speedgrade. If not, please change the device to one with a lower speedgrade.