Internal Error: Sub-system: FIDQ_COMMON, File: /quartus/pgm/fidq/fidq_manager.cpp, Line: 3496 - Internal Error: Sub-system: FIDQ_COMMON, File: /quartus/pgm/fidq/fidq_manager.cpp, Line: 3496 Description Due to a problem in Intel® Quartus® Prime Pro Edition Software version 21.4 and earlier, you may see this error when using the Fault Injection Debugger tool and injecting an error to only the 'Not critical' area in Intel® Stratix® 10 device and Intel Agilex® device. Resolution To fix this problem, download and install the latest device firmware patch according to your Intel® Quartus® Prime Pro Edition Software version. Intel® Quartus® Prime Pro Edition Software v21.1 - Patch 0.65fw or newer Intel® Quartus® Prime Pro Edition Software v21.2 - Patch 0.50fw or newer Intel® Quartus® Prime Pro Edition Software v21.3 - Patch 0.49fw or newer Intel® Quartus® Prime Pro Edition Software v21.4 - Patch 0.75fw or newer You can find the latest device firmware patch for each Intel® Quartus® Prime Pro Edition Software version from the following Knowledge Data Base article. What is the latest device firmware for Intel Agilex® and Intel® Stratix®10 devices? This problem has been fixed since Intel® Quartus® Prime Pro Edition Software version 22.1. Custom Fields values: ['novalue'] Troubleshooting 14015577618 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 22.1 21.3 ['Agilex™ 7 FPGA F-Series', 'Agilex™ 7 FPGA I-Series', 'Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']