Internal Error: Sub-system: FSV, File: /quartus/fitter/fsv/fsv_module_io.cpp, Line: 5702 - Internal Error: Sub-system: FSV, File: /quartus/fitter/fsv/fsv_module_io.cpp, Line: 5702 Description Due to a problem in the Quartus® II software version 11.1 SP1, this error may be seen when running I/O Assignment Analysis. Resolution A patch is available to fix this problem in the Quartus II software version 11.1 SP1. Download and install Patch 1.04 from the appropriate link below: Download the version 11.1 SP1 patch 1.04 for Windows (.exe) Download the version 11.1 SP1 patch 1.04 for Linux (.tar) Download the Readme for the Quartus II software version 11.1 SP1 patch 1.04 (.txt) This problem is fixed beginning with the Quartus II software version. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 11.1 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']