[Yocto-bsp] bitbake command error

[prasad yerramsetti]

hi,
I am trying to build the source code for an picochip bsp-5.0
while building any package using bitbake command, the following below error
message displaying
I have used commands like
#bitbake nano
#bitbake helloworld
...etc...

ERROR: Error evaluating '${@oe.utils.ifelse(bool(d.getVar('MACHINE',
True)), '${MACHINE}', 'BASE_PACKAGE_ARCH')}'
Traceback (most recent call last):
  File "/home/svprasad/oe//bitbake/lib/bb/data_smart.py", line 117, in
expandWithRefs
    s = __expand_python_regexp__.sub(varparse.python_sub, s)
  File "/home/svprasad/oe//bitbake/lib/bb/data_smart.py", line 69, in
python_sub
    codeobj = compile(code.strip(), self.varname or "<expansion>", "eval")
  File "MACHINE_ARCH", line 1
    oe.utils.ifelse(bool(d.getVar('MACHINE', True)), '${MACHINE
                                                              ^
SyntaxError: EOL while scanning string literal

ERROR: Error parsing /home/svprasad/oe//openembedded/recipes/squeezeclient/
squeezeslave_svn.bb: EOL while scanning string literal (MACHINE_ARCH, line
1)
ERROR: Command execution failed: Exited with 1

 can any one tell what might be the reason for this
 If any one tell,this is an grate help for me

Thanks
prasad
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