ID:15493 SERIALFBK and POSTDPASERIALDATAOUT of atom "<name>" cannot be connected at the same time because that would form a loop
CAUSE: The specified SERDES receiver atom has data input port SERIALFBK and output port POSTDPASERIALDATAOUT which cannot be connected at the same time.
ACTION: Modify the design so that the SERIAL ports of the SERDES receiver atom are not both connected.