有关AVR STUDIO 4.18调试问题？

采用AVR Studio  4.18.684  GUI Version  4, 18, 0, 670仿真软件调试一个简单的程序，出现如下的调试错误提示：为什么？？
Build started 9.12.2009 at 20:52:51
make: Makefile: No such file or directory
make: *** No rule to make target `Makefile'.  Stop.
Build failed with 2 errors and 0 warnings...

AVR Studio  4.18.684  
GUI Version  4, 18, 0, 670
AVR Simulator 2  
ATmega128  247

没遇到，帮顶

BANGDING

不懂