Building Error

[36M]

I have built the Native Client and shows:

...
.
.
Install file: "scons-out\opt-win\obj\intermodule_comm\client.pdb" as
"scons-out\opt-win\staging\client.pdb"
Install file: "scons-out\opt-win\obj\intermodule_comm\client.exe" as
"scons-out\opt-win\staging\client.exe"
________Compiling scons-out\opt-win\obj\intermodule_comm
\nacl_imc_test_server.obj
nacl_imc_test_server.cc
________Linking scons-out\opt-win\obj\intermodule_comm\server.exe
________Updating manifest for scons-out\opt-win\obj\intermodule_comm
\server.exe
Delete("scons-out\opt-win\obj\intermodule_comm\server.exe.manifest")
Install file: "scons-out\opt-win\obj\intermodule_comm\server.pdb" as
"scons-out\opt-win\staging\server.pdb"
Install file: "scons-out\opt-win\obj\intermodule_comm\server.exe" as
"scons-out\opt-win\staging\server.exe"
________Compiling scons-out\nacl\obj\tests\app_lib\app_lib_test.o
scons: *** [scons-out\nacl\obj\tests\app_lib\app_lib_test.o] Error 1
scons: building terminated because of errors.
D:\Google\nacl\googleclient\native_client>


Could anyone tell me how to fix this error???