> For the complete documentation index, see [llms.txt](https://help.basespace.illumina.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.basespace.illumina.com/automate/automatic-data-aggregation/correct-unintended-aggregation.md).

# Correct Aggregation

When launching an analysis, BaseSpace Sequence Hub automatically aggregates all data associated with the same biosample name. For more information, see Associating Biosample Data With Projects.

To correct aggregation of data, requeue the run with a corrected biosample name. Only the run owner can requeue a run.

1. Edit the biosample name.
   * If you are using a sample sheet, useFix Sample Sheet.
   * If you are using the Prep tab, change the sample name in the Prep tab.
2. Requeue the run.

The previous run data will be marked as failed and can be deleted to reduce storage costs.


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