Internal Error: Sub-system: VRFX2, File: /quartus/synth/vrfx2/vrfx2_sgate.cpp, Line: 5306 - Internal Error: Sub-system: VRFX2, File: /quartus/synth/vrfx2/vrfx2_sgate.cpp, Line: 5306 Description Due to a problem in the Intel® Quartus® Prime Pro Edition software version 18.1 and earlier, you may see this internal error in synthesis. Resolution This problem is fixed beginning with the Intel® Quartus® Prime Pro Edition software version 19.1. Custom Fields values: ['novalue'] Troubleshooting 1507057242 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 19.1 18.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']