Internal Error: Sub-system: FPP, File: /quartus/periph/fpp/fpp_mementos.cpp, Line: 386 - Internal Error: Sub-system: FPP, File: /quartus/periph/fpp/fpp_mementos.cpp, Line: 386 Description Due to a problem in the Quartus® II software version 14.0, you may see this error when ADVANCED_PHYSICAL_OPTIMIZATION is enabled for Arria® V devices. Resolution To work around this problem, set ADVANCED_PHYSICAL_OPTIMIZATION to off in the Quartus II Settings File ( .qsf ). This feature is not supported for Arria V devices in the Quartus II software version 14.0. Custom Fields values: ['novalue'] Troubleshooting 1408042629 False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 14.0 ['Arria® V GT FPGA', 'Arria® V GX FPGA', 'Arria® V GZ FPGA', 'Arria® V ST FPGA', 'Arria® V SX FPGA'] ['novalue'] ['novalue'] ['novalue']