Internal Error: Sub-system: LCHIP, File: /quartus/legality/lchip/lchip_rowclock_router.cpp, Line: 1461 - Internal Error: Sub-system: LCHIP, File: /quartus/legality/lchip/lchip_rowclock_router.cpp, Line: 1461 Description Due to a problem in the Intel® Quartus® Prime Pro Edition software version 19.1, you may see this internal error when using a partial reconfiguration flow for designs targeting Intel® Stratix® 10 devices. Resolution A patch is available to fix this problem for the Intel® Quartus® Prime Pro Edition software version 19.1. Download and install Patch 0.24 from the appropriate link below. Download patch 0.24 for Windows (.exe) Download patch 0.24 for Linux (.run) Download the Readme for patch 0.24 (.txt) This problem has been fixed beginning with version 19.3 of the Intel® Quartus® Prime Pro Edition software. Custom Fields values: ['novalue'] Troubleshooting 1807843095 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 19.3 19.1 ['Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']