{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreiehysm6ayilkyxcrjbvsdrgshtpo2hbshdy5df2w7szgpvy6347iu",
    "uri": "at://did:plc:pgryn3ephfd2xgft23qokfzt/app.bsky.feed.post/3mjmwpb2o3g22"
  },
  "path": "/t/dataset-viewer-broke-after-repo-rename/175327#post_1",
  "publishedAt": "2026-04-16T17:25:52.000Z",
  "site": "https://discuss.huggingface.co",
  "textContent": "Hi,\n\nAfter renaming my dataset repository, the dataset viewer began failing with the following error, although it worked before the rename. Also, the internally generated `refs/convert/parquet` branch that had previously been created by the parquet-converter bot is now missing after the rename.\n\n`The full dataset viewer is not available (click to read why). Only showing a preview of the rows.`\n\n\n    Error code:   DatasetGenerationError\n    Exception:    IndexError\n    Message:      list index out of range\n    Traceback:    Traceback (most recent call last):\n                    File \"/usr/local/lib/python3.12/site-packages/datasets/builder.py\", line 1904, in _prepare_split_single\n                      original_shard_lengths[original_shard_id] += len(table)\n                      ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^\n                  IndexError: list index out of range\n\n                  The above exception was the direct cause of the following exception:\n\n                  Traceback (most recent call last):\n                    File \"/src/services/worker/src/worker/job_runners/config/parquet_and_info.py\", line 1342, in compute_config_parquet_and_info_response\n                      parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(\n                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^\n                    File \"/src/services/worker/src/worker/job_runners/config/parquet_and_info.py\", line 907, in stream_convert_to_parquet\n                      builder._prepare_split(split_generator=splits_generators[split], file_format=\"parquet\")\n                    File \"/usr/local/lib/python3.12/site-packages/datasets/builder.py\", line 1739, in _prepare_split\n                      for job_id, done, content in self._prepare_split_single(\n                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n                    File \"/usr/local/lib/python3.12/site-packages/datasets/builder.py\", line 1925, in _prepare_split_single\n                      raise DatasetGenerationError(\"An error occurred while generating the dataset\") from e\n                  datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset\n",
  "title": "Dataset viewer broke after repo rename"
}