Why does the Platform Designer becomes unresponsive when trying to save a system in the Intel® Quartus® Prime Pro Edition version 18.1?

Description

Due to a problem in the Intel® Quartus® Prime Pro Edition software version 18.1, you may observe Platform Designer becomes unresponsive when trying to save a large Platform Designer system.

Resolution

This problem has been fixed beginning with the Intel® Quartus® Prime Pro Edition software version 19.1.