WARNINGlace:916 - Local congestion has been detected on component
uu12/outclk69. There is a limitation that at most 2 global signals can drive
non-clock pins per CLB. The placer has detected that component uu12/outclk69
has 3 non-clock pins driven by global signals. Placement will continue but
note that this situation may lead to an unroutable situation.
请问这个问题该如何解决?