Internal Error: Sub-system: LCHIP, File: /quartus/legality/lchip/lchip_clock_region_placement_counter.cpp, Line: 2060 - Internal Error: Sub-system: LCHIP, File: /quartus/legality/lchip/lchip_clock_region_placement_counter.cpp, Line: 2060 Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 19.1 and later, you may see this internal error when compiling designs targeting Intel Stratix® 10 devices. Resolution To work around this problem, add the following assignments to your .QSF (Quartus Settings File) set_global_assignment -name PHYSICAL_SYNTHESIS OFF set_global_assignment -name ADVANCED_PHYSICAL_RETIMING PRE_PCA This problem is scheduled to be fixed in a future release of the Intel® Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 1409878272 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 19.4 19.1 ['Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']