Internal Error: Sub-system: PUTIL_EXTERNAL, File: /quartus/power/putil/putil_library.cpp, Line: 131!(::cdb_is_connected(oterm)) - Internal Error: Sub-system: PUTIL_EXTERNAL, File: /quartus/power/putil/putil_library.cpp, Line: 131!(::cdb_is_connected(oterm)) Description You may see above internal error when you run the PowerPlay Power Analyzer tool with a .qsf assignment statement that includes an asterisk (*). Resolution Delete the asterisk in your .qsf and re-run the PowerPlay Power Analyzer tool or update to the Quartus® II software version 12.0 or later. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] 12.0 11.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']