Could you please tell me how to fix this issue

[JianfengNing]

Traceback (most recent call last):
File "D:/Desktop/fourier_neural_operator-master/fourier_neural_operator-master/fourier_1d.py", line 160, in
dataloader = MatReader('data/burgers_data_R10.mat')
File "D:\Desktop\fourier_neural_operator-master\fourier_neural_operator-master\utilities3.py", line 31, in init
self._load_file()
File "D:\Desktop\fourier_neural_operator-master\fourier_neural_operator-master\utilities3.py", line 38, in _load_file
self.data = h5py.File(self.file_path)
File "D:\Users\FIVE\miniconda3\envs\pytorch\lib\site-packages\h5py_hl\files.py", line 507, in init
fid = make_fid(name, mode, userblock_size, fapl, fcpl, swmr=swmr)
File "D:\Users\FIVE\miniconda3\envs\pytorch\lib\site-packages\h5py_hl\files.py", line 220, in make_fid
fid = h5f.open(name, flags, fapl=fapl)
File "h5py_objects.pyx", line 54, in h5py._objects.with_phil.wrapper
File "h5py_objects.pyx", line 55, in h5py._objects.with_phil.wrapper
File "h5py\h5f.pyx", line 106, in h5py.h5f.open
FileNotFoundError: [Errno 2] Unable to open file (unable to open file: name = 'data/burgers_data_R10.mat', errno = 2, error message = 'No such file or directory', flags = 0, o_flags = 0)

Process finished with exit code 1

[zongyi-li]

It says "No such file or directory". Have you downloaded the dataset and put it under 'data/burgers_data_R10.mat' ?