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The dataset viewer is not available for this split.
Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code: StreamingRowsError
Exception: CastError
Message: Couldn't cast
index: int64
kind: string
path: string
value: struct<steps: list<item: struct<id: string, role: string, content: string>>, activeIndex: int64, spa (... 248 chars omitted)
child 0, steps: list<item: struct<id: string, role: string, content: string>>
child 0, item: struct<id: string, role: string, content: string>
child 0, id: string
child 1, role: string
child 2, content: string
child 1, activeIndex: int64
child 2, spans: list<item: struct<id: string, stepId: string, start: int64, end: int64, text: string, tone: string, (... 81 chars omitted)
child 0, item: struct<id: string, stepId: string, start: int64, end: int64, text: string, tone: string, category: s (... 69 chars omitted)
child 0, id: string
child 1, stepId: string
child 2, start: int64
child 3, end: int64
child 4, text: string
child 5, tone: string
child 6, category: string
child 7, value: string
child 8, severity: int64
child 9, rationale: string
child 10, pin: int64
child 3, overall: struct<>
child 4, edits: list<item: null>
child 0, item: null
child 5, byItem: struct<>
ts: string
url: string
event: string
elicitation: struct<method: string, params: struct<message: string, requestedSchema: struct<type: string, propert (... 94 chars omitted)
child 0, method: string
child 1, params: struct<message: string, requestedSchema: struct<type: string, properties: struct<reply: struct<type: (... 62 chars omitted)
child 0, message: string
child 1, requestedSchema: struct<type: string, properties: struct<reply: struct<type: string, description: string>>, required: (... 20 chars omitted)
child 0, type: string
child 1, properties: struct<reply: struct<type: string, description: string>>
child 0, reply: struct<type: string, description: string>
child 0, type: string
child 1, description: string
child 2, required: list<item: string>
child 0, item: string
to
{'event': Value('string'), 'url': Value('string'), 'elicitation': {'method': Value('string'), 'params': {'message': Value('string'), 'requestedSchema': {'type': Value('string'), 'properties': {'reply': {'type': Value('string'), 'description': Value('string')}}, 'required': List(Value('string'))}}}}
because column names don't match
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 99, in get_rows_or_raise
return get_rows(
^^^^^^^^^
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/utils.py", line 77, in get_rows
rows_plus_one = list(itertools.islice(ds, rows_max_number + 1))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2690, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2227, in __iter__
for key, pa_table in self._iter_arrow():
^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2251, in _iter_arrow
for key, pa_table in self.ex_iterable._iter_arrow():
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 494, in _iter_arrow
for key, pa_table in iterator:
^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 384, in _iter_arrow
for key, pa_table in self.generate_tables_fn(**gen_kwags):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 299, in _generate_tables
self._cast_table(pa_table, json_field_paths=json_field_paths),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 128, in _cast_table
pa_table = table_cast(pa_table, self.info.features.arrow_schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2321, in table_cast
return cast_table_to_schema(table, schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2249, in cast_table_to_schema
raise CastError(
datasets.table.CastError: Couldn't cast
index: int64
kind: string
path: string
value: struct<steps: list<item: struct<id: string, role: string, content: string>>, activeIndex: int64, spa (... 248 chars omitted)
child 0, steps: list<item: struct<id: string, role: string, content: string>>
child 0, item: struct<id: string, role: string, content: string>
child 0, id: string
child 1, role: string
child 2, content: string
child 1, activeIndex: int64
child 2, spans: list<item: struct<id: string, stepId: string, start: int64, end: int64, text: string, tone: string, (... 81 chars omitted)
child 0, item: struct<id: string, stepId: string, start: int64, end: int64, text: string, tone: string, category: s (... 69 chars omitted)
child 0, id: string
child 1, stepId: string
child 2, start: int64
child 3, end: int64
child 4, text: string
child 5, tone: string
child 6, category: string
child 7, value: string
child 8, severity: int64
child 9, rationale: string
child 10, pin: int64
child 3, overall: struct<>
child 4, edits: list<item: null>
child 0, item: null
child 5, byItem: struct<>
ts: string
url: string
event: string
elicitation: struct<method: string, params: struct<message: string, requestedSchema: struct<type: string, propert (... 94 chars omitted)
child 0, method: string
child 1, params: struct<message: string, requestedSchema: struct<type: string, properties: struct<reply: struct<type: (... 62 chars omitted)
child 0, message: string
child 1, requestedSchema: struct<type: string, properties: struct<reply: struct<type: string, description: string>>, required: (... 20 chars omitted)
child 0, type: string
child 1, properties: struct<reply: struct<type: string, description: string>>
child 0, reply: struct<type: string, description: string>
child 0, type: string
child 1, description: string
child 2, required: list<item: string>
child 0, item: string
to
{'event': Value('string'), 'url': Value('string'), 'elicitation': {'method': Value('string'), 'params': {'message': Value('string'), 'requestedSchema': {'type': Value('string'), 'properties': {'reply': {'type': Value('string'), 'description': Value('string')}}, 'required': List(Value('string'))}}}}
because column names don't matchNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
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Trace
- Status: Completed
- Session ID:
5e4f6b87f5e0434084679dd75b6a5a65 - Schema hash:
a2230ad0b7510eaf1677f05533a3d37eaffa56ba93c12b2f509109c42bc10397 - Created: 2026-05-21T11:33:00.444149+00:00
- Updated: 2026-05-21T11:39:59.294144+00:00
- Completed: 2026-05-21T11:39:59.294144+00:00
- Author: demo-agent
Fields
steps(required)
Files
schema.json— JSON Schema export of the session schema.state.json— denormalized snapshot of current state.events.jsonl— append-only log of state transitions (source of truth).manifest.toml— identity and provenance metadata.
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