Internal Error: Sub-system: PGMIO, File: /quartus/pgm/pgmio/pgmio_fuse.cpp, Line: 2538 - Internal Error: Sub-system: PGMIO, File: /quartus/pgm/pgmio/pgmio_fuse.cpp, Line: 2538 Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software Programmer version 22.1 and later, you might see this internal error when changing an existing device on the JTAG chain to a different device family and subsequently starting the programming of designs targeting any Intel® FPGA. Resolution A patch is available to work around this problem for the Intel® Quartus® Prime Pro Edition Software version 22.1. Download and install patch 0.11 from the following links: Intel® Quartus® Prime Pro Edition Software version 22.1 Patch 0.11 for Windows (.exe) Intel® Quartus® Prime Pro Edition Software version 22.1 Patch 0.11 for Linux (.run) Readme for Intel® Quartus® Prime Pro Edition Software version 22.1 Patch 0.11 (.txt) This problem is fixed beginning with version 22.2 of the Intel® Quartus® Prime Pro Edition Software. Custom Fields values: ['novalue'] Troubleshooting 14016666941 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 22.2 22.1 ['Programmable Logic Devices'] ['Altera® FPGA Programming Software'] ['novalue'] ['novalue']