Internal Error: Sub-system: QHD, File: /quartus/comp/qhd/qhd_database_model_utils.cpp - Internal Error: Sub-system: QHD, File: /quartus/comp/qhd/qhd_database_model_utils.cpp Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 18.1.1 and earlier, you may see this error when running the import compile on an OpenCL™ BSP targetting an Intel® Stratix® 10 device. Resolution To work around this problem, please install patch 1.04 using Intel® Quartus® Prime Pro Edition Software version 18.1.1 as the baseline. patch 1.04 for Linux , patch 1.04 for windows , patch 1.04 readme file This problem is fixed in version 19.1 of the Intel® Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 602382 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 19.1 18.0.1 ['Stratix® 10 GX FPGA'] ['HLD Tools OpenCL'] ['novalue'] ['novalue']