Problem with load test

[MohammedElGharawy]

After generating test data using PDGF tool and placing the .dat files under $DATA_DIR/SF
what should be the next step to run the benchmark?

running the load test generates .parquet files but when i try to run the benchmark's queries after
i get the following errors

Connected!
Pure Dask Queries
run 1: q01
Encountered Exception while running query
raise ValueError(
ValueError: The following columns were not found in the dataset {'i_category_id', 'i_item_sk'}
The following columns were found Index([], dtype='object') 

Output from load test (SF100)

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Converting warehouse of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting promotion of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting store of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting customer_demographics of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting product_reviews of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting web_clickstreams of 60 GB to 30 parquet files, chunksize: 128 MiB
Converting web_sales of 44 GB to 22 parquet files, chunksize: 128 MiB
Converting web_page of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting date_dim of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting reason of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting income_band of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting customer of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting item_marketprices of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting web_returns of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting web_site of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting store_returns of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting item of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting inventory of 34 GB to 17 parquet files, chunksize: 128 MiB
Converting household_demographics of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting time_dim of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting customer_address of 0 GB to 1 parquet files, chunksize: 128 MiB
Converting store_sales of 30 GB to 15 parquet files, chunksize: 128 MiB
Converting ship_mode of 0 GB to 1 parquet files, chunksize: 128 MiB
Load test with chunk size of 128 MiB took 537.89s