comopiling error using abld build wincw udeb

Hi,

I import the QHelloWorld in UIQ3 skd, and using carbide to compile the source code, and it successfully compile the code.

when I am in command line, I am using,
bldmake bldfiles
abld build winscw udeb, it gives the error below, someone help me!

HelloWorldApplication.cpp
process_begin: CreateProcess((null), mwccsym2.exe -O4,s -wchar_t off -align 4 -w
arnings on -w nohidevirtual,nounusedexpr -msgstyle gcc -enum int -str pool -exc
ms -trigraphs on -nostdinc -d NDEBUG -d _UNICODE -d __SYMBIAN32__ -d __UIQ3_SDK_
_ -d __UIQ31_SDK__ -d __CW32__ -d __WINS__ -d __WINSCW__ -d __EXE__ -d __SUPPORT
_CPP_EXCEPTIONS__ -cwd source -i- -i \Examples\UIQ\QHelloWorld\Inc -i \EPOC32\IN
CLUDE -i \epoc32\include\variant -i "\epoc32\include\variant\ " -include UIQ_3.1
.hrh -o \EPOC32\BUILD\Examples\UIQ\QHelloWorld\Group\HELLOWORLD\WINSCW\UREL\Hell
oWorldApplication.o -c \Examples\UIQ\QHelloWorld\Src\HelloWorldApplication.cpp,
...) failed.
make (e=2): The system cannot find the file specified.
make[1]: *** [\EPOC32\BUILD\Examples\UIQ\QHelloWorld\Group\HELLOWORLD\WINSCW\URE
L\HelloWorldApplication.o] Error 2
make: *** [TARGETHELLOWORLD] Error 2
  make -r  -f "\EPOC32\BUILD\Examples\UIQ\QHelloWorld\Group\WINSCW.make" FINAL C
FG=UREL VERBOSE=-s