My Private Dataset doesn't exist on the Hub or cannot be accessed
### Describe the bug


```
  File "/root/miniconda3/envs/gino_conda/lib/python3.9/site-packages/datasets/load.py", line 1852, in dataset_module_factory
    raise DatasetNotFoundError(msg + f" at revision '{revision}'" if revision else msg)
datasets.exceptions.DatasetNotFoundError: Dataset 'xxx' doesn't exist on the Hub or cannot be accessed
>>> dataset = load_dataset("xxxx", token=True)

404 error 404 Client Error. (Request ID: Root=xxxx)

Repository Not Found for url: https://huggingface.co/api/datasets/xxx/xxx.
Please make sure you specified the correct `repo_id` and `repo_type`.
If you are trying to access a private or gated repo, make sure you are authenticated.
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/root/miniconda3/envs/gino_conda/lib/python3.9/site-packages/datasets/load.py", line 2593, in load_dataset
    builder_instance = load_dataset_builder(
  File "/root/miniconda3/envs/gino_conda/lib/python3.9/site-packages/datasets/load.py", line 2265, in load_dataset_builder
    dataset_module = dataset_module_factory(
  File "/root/miniconda3/envs/gino_conda/lib/python3.9/site-packages/datasets/load.py", line 1910, in dataset_module_factory
    raise e1 from None
  File "/root/miniconda3/envs/gino_conda/lib/python3.9/site-packages/datasets/load.py", line 1852, in dataset_module_factory
    raise DatasetNotFoundError(msg + f" at revision '{revision}'" if revision else msg)
datasets.exceptions.DatasetNotFoundError: Dataset 'xxx' doesn't exist on the Hub or cannot be accessed
```

### Steps to reproduce the bug

123

### Expected behavior

123

### Environment info

123
I can load public dataset, but for my private dataset it fails https://huggingface.co/docs/datasets/upload_dataset I have checked the API HTTP link. Repository Not Found for url: https://huggingface.co/api/datasets/xxx/xxx.

![image](https://github.com/huggingface/datasets/assets/39621324/4aceef59-0c65-4161-9665-676d25d73225)

It just works fine. It seems that everything is in a mass huh....

![image](https://github.com/huggingface/datasets/assets/39621324/fb2fe12c-4f0a-4bf6-9656-63ba50347b10)
 https://huggingface.co/datasets/rajpurkar/squad/blob/main/squad.py fails again https://github.com/huggingface/datasets/blob/main/templates/new_dataset_script.py#L81 can not use this, too complex. I just need a def to load my file to a dict I am facing the same issue. Did you find a fix?