TVMError Caused by Running `relay.vm.compile`

Hi there:

When I am trying to compile a network with relay.vm.compile, I got such logs

Traceback (most recent call last):
  File "post_process_lab.py", line 153, in <module>
    compile_with_cpu()
  File "post_process_lab.py", line 117, in compile_with_cpu
    exe = relay.vm.compile(mod, target=target, params=params)
  File "/root/Codes/tvm_in_mac/python/tvm/relay/backend/vm.py", line 72, in compile
    compiler.codegen()
  File "/root/Codes/tvm_in_mac/python/tvm/relay/backend/vm.py", line 141, in codegen
    self._codegen()
  File "/root/Codes/tvm_in_mac/python/tvm/_ffi/_ctypes/packed_func.py", line 225, in __call__
    raise get_last_ffi_error()
tvm._ffi.base.TVMError: Traceback (most recent call last):
  [bt] (8) /root/Codes/tvm_in_mac/build/libtvm.so(tvm::build(tvm::Map<tvm::runtime::String, tvm::IRModule, void, void> const&, tvm::Target const&)+0x63c) [0x7f0bb9c72d1c]
  [bt] (7) /root/Codes/tvm_in_mac/build/libtvm.so(tvm::build(tvm::Map<tvm::Target, tvm::IRModule, void, void> const&, tvm::Target const&)+0x252) [0x7f0bb9c71f32]
  [bt] (6) /root/Codes/tvm_in_mac/build/libtvm.so(tvm::SplitDevHostFuncs(tvm::IRModule, tvm::Target const&, tvm::Target const&, tvm::transform::PassContext const&)+0x3ba) [0x7f0bb9c70d9a]
  [bt] (5) /root/Codes/tvm_in_mac/build/libtvm.so(tvm::transform::Pass::operator()(tvm::IRModule) const+0x66) [0x7f0bb9c78086]
  [bt] (4) /root/Codes/tvm_in_mac/build/libtvm.so(tvm::transform::SequentialNode::operator()(tvm::IRModule, tvm::transform::PassContext const&) const+0x3e6) [0x7f0bb9cc1206]
  [bt] (3) /root/Codes/tvm_in_mac/build/libtvm.so(tvm::transform::ModulePassNode::operator()(tvm::IRModule, tvm::transform::PassContext const&) const+0x14e) [0x7f0bb9cbfb9e]
  [bt] (2) /root/Codes/tvm_in_mac/build/libtvm.so(+0xfc07fc) [0x7f0bb9f4b7fc]
  [bt] (1) /root/Codes/tvm_in_mac/build/libtvm.so(tvm::tir::MakePackedAPI(tvm::tir::PrimFunc&&, int)+0x28ef) [0x7f0bb9f48b8f]
  [bt] (0) /root/Codes/tvm_in_mac/build/libtvm.so(dmlc::LogMessageFatal::~LogMessageFatal()+0x67) [0x7f0bb9b8cd77]
  File "/root/Codes/tvm_in_mac/src/tir/transforms/make_packed_api.cc", line 208
TVMError: Not all Vars are passed in api_args:  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  'any_dim'  is not bound to any variables

The target I am using is llvm, and any suggestion about how to figure out what is wrong?