> For the complete documentation index, see [llms.txt](https://docs.listburst.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.listburst.app/sharepoint-tips/calculated-fields-aggregations.md).

# Calculated & Multi Valued field aggregations

SharePoint does not support aggregations based on the value of a numeric calculated field, or a multi-valued field (such as a people field).

For these field types, ListBurst needs to load all items and perform the calculation on the client side. The side effect of this is that we implement a maximum of 500 list items to maintain good performance.

If your list exceeds 500 items, and your chart involved a calculation across a calculated field or multi-valued field, you will encounter an error.