This discussion is not for reporting issues!

[PGijsbers]

This discussion board is for questions about datasets, or broader discussions such as ethical concerns.

If you identify a mistake in an OpenML dataset, report in this issue tracker: https://github.com/openml/openml-data/issues.
If want to know more about the migration from ARFF to Parquetfiles on the server, visit this topic: openml/openml-data#50