Description
This error will be generated by the Quartus® II software Version 13.0 and later, when converting IDE project to SBT by using “nios2-convert-ide2sbt”command.
nios2-convert-ide2sbt.exe is no longer supported in the Quartus® II software Version 13.0 and later, and has been removed from the directory altera\<version>\nios2eds\sdk2\bin.
Resolution
The Quartus® II software Version 12.1sp1 or earlier should be used if “nios2-convert-ide2sbt” is required.