Check failed: datum_channels == 3 (4 vs. 3)

[hongbinxidian]

I have an error, when the command "make runtest", can you help me to solve it. E0910 16:01:14.964179 75522 data_transformer.cpp:178] force_color and force_gray only for encoded datum F0910 16:01:14.964378 75522 data_transformer.cpp:67] Check failed: datum_channels == 3 (4 vs. 3) Check failure stack trace: @ 0x7fabcc6ed5cd google::LogMessage::Fail() @ 0x7fabcc6ef433 google::LogMessage::SendToLog() @ 0x7fabcc6ed15b google::LogMessage::Flush() @ 0x7fabcc6efe1e google::LogMessageFatal::~LogMessageFatal() @ 0x7fabcd567bbc caffe::DataTransformer<>::Transform() @ 0x7fabcd56906c caffe::DataTransformer<>::Transform() @ 0x7fabcd573b36 caffe::DataTransformer<>::Transform() @ 0x7fabcd573c83 caffe::DataTransformer<>::Transform() @ 0x7fabcd460a29 caffe::MemoryDataLayer<>::AddDatumVector() @ 0xcb10b0 caffe::MemoryDataLayerTest_AddDatumVectorDefaultTransform_Test<>::TestBody() @ 0xf7aed3 testing::internal::HandleExceptionsInMethodIfSupported<>() @ 0xf73e0a testing::Test::Run() @ 0xf73f58 testing::TestInfo::Run() @ 0xf74065 testing::TestCase::Run() @ 0xf75bff testing::internal::UnitTestImpl::RunAllTests() @ 0xf75f23 testing::UnitTest::Run() @ 0x92a15d main @ 0x7fabc63e4830 __libc_start_main @ 0x92a6f9 _start @ (nil) (unknown) Aborted (core dumped) src/caffe/test/CMakeFiles/runtest.dir/build.make:57: recipe for target 'src/caffe/test/CMakeFiles/runtest' failed make[3]: [src/caffe/test/CMakeFiles/runtest] Error 134 CMakeFiles/Makefile2:328: recipe for target 'src/caffe/test/CMakeFiles/runtest.dir/all' failed make[2]: [src/caffe/test/CMakeFiles/runtest.dir/all] Error 2 CMakeFiles/Makefile2:335: recipe for target 'src/caffe/test/CMakeFiles/runtest.dir/rule' failed make[1]: [src/caffe/test/CMakeFiles/runtest.dir/rule] Error 2 Makefile:240: recipe for target 'runtest' failed make: [runtest] Error 2