Internal Error: Sub-system: QTK, File: /quartus/db/qtk/qtk_io_option_mover.cpp, Line: 291 - Internal Error: Sub-system: QTK, File: /quartus/db/qtk/qtk_io_option_mover.cpp, Line: 291 Description Due to a problem in the Quartus® II software version 12.0 SP2 and earlier, you may see this error when exporting post-synthesis partition. Resolution To work around this problem, disable the SignalTap™ II Logic Analyzer in your design before compiling your design and then export the design partition. This problem is fixed beginning with the Quartus II software version 12.1. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] 12.1 12.0 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']