OSError: Unable to open file (truncated file: eof = 27626007534, sblock->base_addr = 0, stored_eof = 32470737720)

[MrLianSYSU]

when i have to train this model,it raise this kind of problem,why is that?
python train.py --obj_file oscar.hdf5 --devices 0
Namespace(batch_size=50, bs_reduct=5, dataset_root=PosixPath('/home/lianjunliang/anaconda3/envs/Xmodal-Ctx/datasets'), devices=[0], drop_rate=0.3, exp_name='[m2][xmodal-ctx]', lr_rl=5e-06, lr_xe=0.0001, m=40, obj_file='oscar.hdf5', preload=False, resume_best=False, resume_last=False, save_dir=PosixPath('outputs/[m2][xmodal-ctx]'), topk=12, warmup=10000, wd_rl=0.05, workers=6)
Meshed-Memory Transformer Training
Traceback (most recent call last):
File "train.py", line 243, in
max_detections=50, preload=args.preload
File "/home/lianjunliang/anaconda3/envs/Xmodal-Ctx/m2/data/field.py", line 296, in init
self.obj = h5py.File(obj_file, "r")
File "/home/lianjunliang/anaconda3/envs/xmodal-ctx/lib/python3.7/site-packages/h5py/_hl/files.py", line 507, in init
fid = make_fid(name, mode, userblock_size, fapl, fcpl, swmr=swmr)
File "/home/lianjunliang/anaconda3/envs/xmodal-ctx/lib/python3.7/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