torch.ops.load_library("build/libadd2.so") error

[longzeyilang]

Traceback (most recent call last):
File "time.py", line 60, in
torch.ops.load_library("build/libadd2.so")
File "/home/gzy/anaconda3/envs/pytorch1.7/lib/python3.6/site-packages/torch/_ops.py", line 105, in load_library
ctypes.CDLL(path)
File "/home/gzy/anaconda3/envs/pytorch1.7/lib/python3.6/ctypes/init.py", line 348, in init
self._handle = _dlopen(self._name, mode)
OSError: /home/gzy/NN-CUDA-Example/pytorch/build/libadd2.so: undefined symbol: THPVariableClass

[LeslieZhoa]

Have you solved the question? I found the same question, and I don't know how to solve.

[longzeyilang]

not yet

[godweiyang]

I came across the same error before, but forget how to solve it.
It may because of the incorrect version or environment varibles.

[GeneralJing]

OSError: /xxx/NN-CUDA-Example/pytorch/build/libadd2.so: undefined symbol: _ZNK3c106IValue23reportToTensorTypeErrorEv
similarly question。