ID:17914 Partition "<partition_name>" contains a preserved output port, "<port_name>", that connects to "<dst_name>" in partition "<dst_partition_name>", entering the partition on port "<dst_partition_port>". This connection has no routing. Consider modifying your design by inserting Wire LUTs so that every partition output has a routed destination.

CAUSE: The specified output port is preserved but not routed to a destination.

ACTION: Consider modifying your design by inserting Wire LUTs so that every partition output has a routed destination.