ID:23117 Clocks automatically promoted to use the global network have contributed to clock routing congestion. Automatic global promotion can be disabled in the design and/or promotion of these signals can be manually controlled with the Global Signal assignment to try and resolve congestion.

CAUSE: The fitter automatically promotes signals to use global routing based on their fanout and other design characteristics. These auto promoted signals may contribute to clock routing congestion.

ACTION: The Global Signal option may be used to disable the use of global routing for this signal, which may reduce reduce congestion. Alternatively, the Auto Global Clock option may be used to disable automatic global signal promotion for the design.