Created by: BigFishMaster

I save model using save_persistables function. When I load a model "model/15", I get the following ERROR message. I can not find "conv2d_77.w_0" I list the file in "model/15" using "ll model/15/conv2d_*", the max index file is model/15/conv2d_52.w_0

paddle.fluid.core.EnforceNotMet: Cannot open file model/15/conv2d_77.w_0 for load op at [/paddle/paddle/fluid/operators/load_op.cc:39]
PaddlePaddle Call Stacks: 
0       0x7f31350c8416p paddle::platform::EnforceNotMet::EnforceNotMet(std::__exception_ptr::exception_ptr, char const*, int) + 486
1       0x7f31359899ecp paddle::operators::LoadOp::RunImpl(paddle::framework::Scope const&, boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> const&) const + 1580
2       0x7f313515a626p paddle::framework::Executor::RunPreparedContext(paddle::framework::ExecutorPrepareContext*, paddle::framework::Scope*, bool, bool) + 1110
3       0x7f313515b554p paddle::framework::Executor::Run(paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool) + 100
4       0x7f31350dc93bp void pybind11::cpp_function::initialize<pybind11::cpp_function::initialize<void, paddle::framework::Executor, paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool, pybind11::name, pybind11::is_method, pybind11::sibling>(void (paddle::framework::Executor::*)(paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&)::{lambda(paddle::framework::Executor*, paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool)#1}, void, paddle::framework::Executor*, paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool, pybind11::name, pybind11::is_method, pybind11::sibling>(pybind11::cpp_function::initialize<void, paddle::framework::Executor, paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool, pybind11::name, pybind11::is_method, pybind11::sibling>(void (paddle::framework::Executor::*)(paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&)::{lambda(paddle::framework::Executor*, paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool)#1}&&, void (*)(paddle::framework::Executor*, paddle::framework::ProgramDesc const&, paddle::framework::Scope*, int, bool, bool), pybind11::name const&, pybind11::is_method const&, pybind11::sibling const&)::{lambda(pybind11::detail::function_call&)#3}::_FUN(pybind11::detail::function_call) + 555
5       0x7f31350d6064p pybind11::cpp_function::dispatcher(_object*, _object*, _object*) + 2596
6       0x7f318cddc55fp PyEval_EvalFrameEx + 29855
7       0x7f318cdde86dp PyEval_EvalCodeEx + 2061
8       0x7f318cddb9fcp PyEval_EvalFrameEx + 26940
9       0x7f318cdde86dp PyEval_EvalCodeEx + 2061
10      0x7f318cddb9fcp PyEval_EvalFrameEx + 26940
11      0x7f318cdde86dp PyEval_EvalCodeEx + 2061
12      0x7f318cddb9fcp PyEval_EvalFrameEx + 26940
13      0x7f318cdde86dp PyEval_EvalCodeEx + 2061
14      0x7f318cddb9fcp PyEval_EvalFrameEx + 26940
15      0x7f318cdde86dp PyEval_EvalCodeEx + 2061
16      0x7f318cddb9fcp PyEval_EvalFrameEx + 26940
17      0x7f318cdde86dp PyEval_EvalCodeEx + 2061
18      0x7f318cdde9a2p PyEval_EvalCode + 50
19      0x7f318ce07782p PyRun_FileExFlags + 146
20      0x7f318ce08af9p PyRun_SimpleFileExFlags + 217
21      0x7f318ce1e82dp Py_Main + 3149
22      0x7f318c01bbd5p __libc_start_main + 245
23            0x4007a1p