The workflow used to submit the per-sample FASTQ-formatted files only verifies that the checksums exist and does not actually verify that they match with the files, this is prone to error when a study is reprocessed because the previous sequences that were assigned will be the ones for which the sequence file checksum will match not for the current one.
The workflow used to submit the per-sample FASTQ-formatted files only verifies that the checksums exist and does not actually verify that they match with the files, this is prone to error when a study is reprocessed because the previous sequences that were assigned will be the ones for which the sequence file checksum will match not for the current one.
Look at lines 481 to 485.