Internal Error: Sub-system: PTI, File: /quartus/tsm/pti/pti_tdb_builder.cpp, Line: 1357 - Internal Error: Sub-system: PTI, File: /quartus/tsm/pti/pti_tdb_builder.cpp, Line: 1357 Description Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 20.4 and earlier, you might see this internal error at the Route stage. Resolution To work around this problem, assign a proper location to the port listed in the Warning message (21833) before running Route. This problem is fixed beginning with the Intel® Quartus® Prime Pro Edition Software version 21.3. Custom Fields values: ['novalue'] Troubleshooting 1508838252 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] 21.3 20.4 ['Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']