when i run train_det_seg_OCID.py ,have error . Is there a problem with the dataset?

[scq6688]

Traceback (most recent call last):
File "train_det_seg_OCID.py", line 487, in
main(parser.parse_args())
File "train_det_seg_OCID.py", line 458, in main
global_step=global_step, loss_weights=config["optimizer"].getstruct("loss_weights"))
File "train_det_seg_OCID.py", line 274, in train
losses, _, conf = model(**batch, do_loss=True, do_prediction=False)
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/torch/nn/modules/module.py", line 727, in _call_impl
result = self.forward(*input, **kwargs)
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/torch/nn/parallel/distributed.py", line 619, in forward
output = self.module(*inputs[0], **kwargs[0])
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/torch/nn/modules/module.py", line 727, in _call_impl
result = self.forward(*input, **kwargs)
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/GraspDetSeg_CNN-0.1.dev21+g980b761.d20220719-py3.6-linux-x86_64.egg/grasp_det_seg/models/det_seg.py", line 76, in forward
self.rpn_head, x, bbx, iscrowd, valid_size, training=self.training, do_inference=True)
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/GraspDetSeg_CNN-0.1.dev21+g980b761.d20220719-py3.6-linux-x86_64.egg/grasp_det_seg/algos/fpn.py", line 94, in training
match = self.anchor_matcher(anchors, bbx, iscrowd, valid_size)
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/GraspDetSeg_CNN-0.1.dev21+g980b761.d20220719-py3.6-linux-x86_64.egg/grasp_det_seg/algos/rpn.py", line 156, in call
iou_max, iou_idx = iou.max(dim=1)
RuntimeError: cannot perform reduction function max on tensor with no elements because the operation does not have an identity
Traceback (most recent call last):
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/torch/distributed/launch.py", line 260, in
main()
File "/home/scq/anaconda3/envs/yuyi/lib/python3.6/site-packages/torch/distributed/launch.py", line 256, in main
cmd=cmd)
subprocess.CalledProcessError: Command '['/home/scq/anaconda3/envs/yuyi/bin/python3', '-u', 'train_det_seg_OCID.py', '--local_rank=0', '--log_dir=LOGDIR', '/home/scq/grasp_det_seg_cnn/grasp_det_seg/config/defaults/det_seg_OCID.ini', '/home/scq/grasp_det_seg_cnn/DATA/OCID_grasp/data_split']' returned non-zero exit status 1.