ID:169318 I/O pin <name> is the destination node of a <name> logic option assignment, but the pin is not assigned to a pin location
CAUSE: You assigned LVDS Direct Loopback options from some source node to the specified destination node. However, the destination node is not assigned to a pin location.
ACTION: Assign the specified pin to a pin location or remove the LVDS Direct Loopback assignment to the pin.