Error(20263): Placement failed to find a legal solution for XXXX LABs, X M20Ks and X DSPs in the locations from (X, X) to (XXX, XXX).

Description

You may see this error in the Intel® Quartus® Prime Pro edition version 18.1 when compiling for the Intel® Stratix® 10 devices with a high utilization or large number of logic lock regions.

Workaround/Fix

The following assigment may help to place the design:

set_global_assignment -name GLOBAL_PLACEMENT_EFFORT "OPTIMIZE FOR HIGH UTILIZATION"

This assignment is automatically included in the Intel® Quartus® Prime Pro Edition version 18.1 Update 1 and later.