Some Designs with User Partitions and State Machines Might Encounter Fatal Errors during Analysis and Synthesis

Description

In the Quartus^® II software and the Quartus Prime Standard Edition software, some designs that include user partitions and state machines might encounter fatal errors during the Analysis and Synthesis stage of the compilation flow.

Resolution

Disable parallel synthesis by adding the following Quartus Prime Settings File (QSF) setting:

set_global_assignment -name PARALLEL_SYNTHESIS OFF