Why can't I open Nios® II BSP Editor in the Nios® II Software Build Tools (SBT) for Eclipse when using Quartus® Prime Pro Edition Software? - Why can't I open Nios® II BSP Editor in the Nios® II Software Build Tools (SBT) for Eclipse when using Quartus® Prime Pro Edition Software? Description Starting from Quartus® Prime Pro Edition Software version 21.1 to 21.4, you will see the following error message when trying to launch the Nios® II BSP Editor from the Nios® II Software Build Tools (SBT) for Eclipse. This happens when launching the Nios® II Software Build Tools (SBT) for Eclipse from the Windows menu or from the '<Quartus Install Version>/nios2eds' directory. 'Nios II BSP Editor (issue_bsp)' has encountered a problem. Error Executing 'qsys-edit.exe settings.bsp', unexpected return code 1. Error message: 'qsys-edit.exe' is not recognized as an internal or external command, operable program or batch file. Resolution To overcome the issue, choose one of the following options: Run the Nios® II BSP Editor by entering the nios2-bsp-editor command from the Nios® II Command Shell. Run the Nios® II BSP Editor by launching the Nios® II Software Build Tools (SBT) for Eclipse from the Quartus Tools menu. Tools > Nios® II Software Build In Tools for Eclipse Run the Nios® II BSP Edito r by launching the Nios® II Software Build Tools (SBT) for Eclipse from the Nios® II Command Shell. Additional Information This problem appears to be caused by the environment setup of the eclipse-nios2 executable. Custom Fields values: ['novalue'] Troubleshooting 14016024557 False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] No plan to fix 21.4 ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']