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The dataset generation failed

Error code:   DatasetGenerationError
Exception:    ValueError
Message:      Expected object or value
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1872, in _prepare_split_single
                  for key, table in generator:
                                    ^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/packaged_modules/json/json.py", line 173, in _generate_tables
                  batch = "\n".join(ujson_dumps(x) for x in ujson_loads(full_data)).encode()
                                                            ^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/utils/json.py", line 20, in ujson_loads
                  return pd.io.json.ujson_loads(*args, **kwargs)
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              ValueError: Expected object or value
              
              The above exception was the direct cause of the following exception:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1347, in compute_config_parquet_and_info_response
                  parquet_operations = convert_to_parquet(builder)
                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 980, in convert_to_parquet
                  builder.download_and_prepare(
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 884, in download_and_prepare
                  self._download_and_prepare(
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 947, in _download_and_prepare
                  self._prepare_split(split_generator, **prepare_split_kwargs)
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1739, in _prepare_split
                  for job_id, done, content in self._prepare_split_single(
                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1922, in _prepare_split_single
                  raise DatasetGenerationError("An error occurred while generating the dataset") from e
              datasets.exceptions.DatasetGenerationError: An error occurred while generating the dataset

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title string	lang string	source_name string	format string	category string	cefr_level string	license string	text string
Uned 1 – Deialog – ar ddechrau cwrs Cymraeg yn Nant Gwrtheyrn	cy	canolradd_de-learnwelsh	dialogue-level	reference	B1	public	Sam: Bore da. Sam dw i. Pwy dych chi? Chris: Helo Sam, Chris dw i. Dych chi ar y cwrs Canolradd? Sam: Ydw. Dw i wedi dod yma o Bontypridd. O ble dych chi wedi dod heddiw? Chris: O Gaerffili. Dych chi wedi bod yn Nant Gwrtheyrn o’r blaen? Sam: Nac ydw. Mae’n bert iawn yma, on’d yw hi? Chris: Ydy, wir. Ond mae’n bell o G...
Uned 2 – Help llaw – 1	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	’Dyn ni’n defnyddio byth i gyffredinoli (generalise) yn y presennol ac yn yr
Uned 2 – Help llaw – 2	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	amodol (conditional). Mae’r gair byth yn cymryd lle’r gair ddim mewn brawddeg
Uned 2 – Help llaw – 3	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	negyddol a’r ystyr yma yw never.
Uned 2 – Help llaw – 4	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Dw i ddim yn yfed te.
Uned 2 – Help llaw – 5	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Dw i byth yn yfed te.
Uned 2 – Help llaw – 6	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Faswn i ddim yn bwyta malwod.
Uned 2 – Help llaw – 7	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Faswn i byth yn bwyta malwod.
Uned 2 – Help llaw – 8	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	’Dyn ni’n defnyddio erioed yn y gorffennol gyda wedi. Eto, mae erioed yn
Uned 2 – Help llaw – 9	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	cymryd lle ddim mewn brawddeg negyddol.
Uned 2 – Help llaw – 10	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Dw i ddim wedi bod yn Sbaen.
Uned 2 – Help llaw – 11	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Dw i erioed wedi bod yn Sbaen.
Uned 3 – Help llaw – 1	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Mae meddwl bod yn codi yn Uned 7 yn y Cwrs Sylfaen. Yn y Cwrs Canolradd,
Uned 3 – Help llaw – 2	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	'dyn ni'n adeiladu ar y patrwm.
Uned 3 – Help llaw – 3	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	1. ’Dyn ni’n defnyddio bod ar ôl:
Uned 3 – Help llaw – 4	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	mae’n debyg
Uned 3 – Help llaw – 5	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	mae’n flin gyda fi
Uned 3 – Help llaw – 6	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	wrth gwrs
Uned 3 – Help llaw – 7	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	2. Mae bod yn newid gyda’r rhagenwau:
Uned 3 – Help llaw – 8	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	fy mod i
Uned 3 – Help llaw – 9	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ein bod ni
Uned 3 – Help llaw – 10	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ei fod e
Uned 3 – Help llaw – 11	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	eu bod nhw
Uned 3 – Help llaw – 12	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	dy fod ti
Uned 3 – Help llaw – 13	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ei bod hi
Uned 3 – Help llaw – 14	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	eich bod chi
Uned 3 – Help llaw – 15	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	3. ’Dyn ni’n defnyddio bod yn y presennol a’r amherffaith (imperfect) –
Uned 3 – Help llaw – 16	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	roedd, ac ati.
Uned 3 – Help llaw – 17	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Mae hi’n braf.
Uned 3 – Help llaw – 18	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Roedd hi’n braf.
Uned 3 – Help llaw – 19	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Dw i’n meddwl ei bod hi’n braf.
Uned 3 – Help llaw – 20	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Ro’n i’n meddwl ei bod hi’n braf.
Uned 3 – Help llaw – 21	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	4. Ond yn y dyfodol a’r amodol (conditional), ’dyn ni ddim yn defnyddio bod.
Uned 3 – Help llaw – 22	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Bydd hi’n braf.
Uned 3 – Help llaw – 23	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Basai hi’n braf.
Uned 3 – Help llaw – 24	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Dw i’n meddwl bydd hi’n braf.
Uned 3 – Help llaw – 25	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Ro’n i‘n meddwl basai hi’n braf.
Uned 4 – Deialog – Sgwrs 1 – Gwneud	cy	canolradd_de-learnwelsh	dialogue-level	reference	B1	public	A: Beth wnei di nesa? B: Dw i ddim yn siŵr. Efallai gwnaf i gwrs arall. A: Dw i ddim yn siŵr chwaith, ond dw i’n meddwl af i i deithio am ychydig. B: Ble ei di? A: I Dde America, efallai. Dw i erioed wedi bod yno. B: Dw i wedi bod yno unwaith. Mae’n wych. A: Pa gwrs wnei di? B: Does dim syniad gyda fi ond dw i eisiau d...
Uned 4 – Darllen – Does unman yn debyg i gartref	cy	canolradd_de-learnwelsh	paragraph-level	reference	B1	public	Does unman yn debyg i gartref Chwythodd gwynt twym drwy’r twnnel. Sgrechiodd breciau’r trên ac atseiniodd y rhybudd ‘Mind the gap’ ar hyd y platfform. Roedd pobl yn rhuthro i bob cyfeiriad. Symudodd Owain yn wyliadwrus yn eu mysg nhw. Camodd ar y trên, oedd dan ei sang yn barod. Doedd neb yn siarad, neb yn cyfathrebu. ...
Uned 4 – Help llaw – 1	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Mae dyfodol gwneud, mynd a dod yn codi yn unedau 10-12 yn y Cwrs Sylfaen.
Uned 4 – Help llaw – 2	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	1. I ddefnyddio’r dyfodol cryno (concise), dych chi’n cymryd bôn (stem) y ferf,
Uned 4 – Help llaw – 3	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	a rhoi terfyniadau (endings) y dyfodol.
Uned 4 – Help llaw – 4	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	bydda i
Uned 4 – Help llaw – 5	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	helpa i
Uned 4 – Help llaw – 6	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	byddi di
Uned 4 – Help llaw – 7	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	helpi di
Uned 4 – Help llaw – 8	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	bydd e/hi
Uned 4 – Help llaw – 9	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	helpiff e/hi
Uned 4 – Help llaw – 10	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	byddwn ni
Uned 4 – Help llaw – 11	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	helpwn ni
Uned 4 – Help llaw – 12	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	byddwch chi helpwch chi
Uned 4 – Help llaw – 13	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	byddan nhw helpan nhw
Uned 4 – Help llaw – 14	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	a(f) i
Uned 4 – Help llaw – 15	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ei di
Uned 4 – Help llaw – 16	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	aiff e/hi
Uned 4 – Help llaw – 17	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	awn ni
Uned 4 – Help llaw – 18	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ewch chi
Uned 4 – Help llaw – 19	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ân nhw
Uned 4 – Help llaw – 20	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	gwna(f) i
Uned 4 – Help llaw – 21	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ca(f) i
Uned 4 – Help llaw – 22	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	gwnei di
Uned 4 – Help llaw – 23	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	cei di
Uned 4 – Help llaw – 24	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	gwnaiff e/hi caiff e/hi
Uned 4 – Help llaw – 25	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	gwnawn ni
Uned 4 – Help llaw – 26	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	cawn ni
Uned 4 – Help llaw – 27	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	gwnewch chi cewch chi
Uned 4 – Help llaw – 28	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	gwnân nhw cân nhw
Uned 4 – Help llaw – 29	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	do(f) i
Uned 4 – Help llaw – 30	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	doi di
Uned 4 – Help llaw – 31	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	daw e/hi
Uned 4 – Help llaw – 32	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	down ni
Uned 4 – Help llaw – 33	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	dewch chi
Uned 4 – Help llaw – 34	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	dôn nhw
Uned 4 – Help llaw – 35	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Mae’r trydydd person (fe/hi) yn wahanol:
Uned 4 – Help llaw – 36	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	bydd e helpiff e
Uned 4 – Help llaw – 37	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	bydd hi helpiff hi
Uned 4 – Help llaw – 38	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	bydd y plant helpiff y plant
Uned 4 – Help llaw – 39	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	2. Mae treiglad llaes (t, c, p) a threiglad meddal yn y negyddol:
Uned 4 – Help llaw – 40	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Prynwn ni fwyd ar y ffordd.
Uned 4 – Help llaw – 41	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Meddyliwn ni am y peth heno.
Uned 4 – Help llaw – 42	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Phrynwn ni ddim bwyd ar y ffordd.
Uned 4 – Help llaw – 43	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Feddyliwn ni ddim am y peth heno.
Uned 4 – Help llaw – 44	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Fut Mynd 1
Uned 5 – Help llaw – 1	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Atebion – Dysgwch yr atebion:
Uned 5 – Help llaw – 2	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Weli di nhw yfory?
Uned 5 – Help llaw – 3	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Wela i nhw yfory?
Uned 5 – Help llaw – 4	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Weliff e/hi nhw yfory?
Uned 5 – Help llaw – 5	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Welwch chi nhw yfory?
Uned 5 – Help llaw – 6	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Welwn ni nhw yfory?
Uned 5 – Help llaw – 7	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Welan nhw chi yfory?
Uned 5 – Help llaw – 8	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Be ydy o?
Uned 5 – Help llaw – 9	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Beth yw e?
Uned 6 – Help llaw – 1	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Dysgoch chi rai arddodiaid (prepositions) yn y Cwrs Sylfaen (unedau 8 a 9) â, am, ar, at, i, wrth.
Uned 6 – Help llaw – 2	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	Y tro yma, ’dyn ni wedi edrych ar yn a dros:
Uned 6 – Help llaw – 3	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ynddo i
Uned 6 – Help llaw – 4	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ynddon ni
Uned 6 – Help llaw – 5	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ynddo fe
Uned 6 – Help llaw – 6	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ynddyn nhw
Uned 6 – Help llaw – 7	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ynddot ti
Uned 6 – Help llaw – 8	cy	canolradd_de-learnwelsh	sentence-level	reference	B1	public	ynddi hi

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