ID:186070 Transmitter fast PLL "<name>" has clock output with differential I/O standard <name> and frequency of <name>, which is more than <name> limit

CAUSE: You specified a transmitter fast PLL with the specified clock output frequency and the specified differential I/O I/O standard. However, the clock output frequency exceeds the specified limit.

ACTION: Modify the design so that the clock output frequency for the fast PLL is within the required limit.