# Bar chart sourced from a report definition is showing undefined instead of 0 for aggregated column

**URL:** <https://forums.pega.com/t/bar-chart-sourced-from-a-report-definition-is-showing-undefined-instead-of-0-for-aggregated-column/7729>\
**Category:** User Experience\
**Tags:** 8-8-1, user-experience\
**Created:** [July 8, 2024, 12:42pm UTC](https://forums.pega.com/t/bar-chart-sourced-from-a-report-definition-is-showing-undefined-instead-of-0-for-aggregated-column/7729 "2024-07-08T12:42:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Minhaj](https://avatars.discourse-cdn.com/v4/letter/m/a698b9/32.png) [@Minhaj](https://forums.pega.com/u/Minhaj)\
**Post date:** [July 8, 2024, 12:42pm UTC](https://forums.pega.com/t/bar-chart-sourced-from-a-report-definition-is-showing-undefined-instead-of-0-for-aggregated-column/7729/1 "2024-07-08T12:42:07Z")

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I have created a report to count the case IDs based on case status .

When there are zero values for the aggregate column pyID in the bar chart, the value is being shown as ‘undefined’ instead of 0 when the mouse is hovered over the bar.

How can we display 0 instead of ‘undefined’?

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**Author:** ![BhanuPrasanthT1](https://yyz2.discourse-cdn.com/pega/user_avatar/forums.pega.com/bhanuprasantht1/32/22716_2.png) [@BhanuPrasanthT1](https://forums.pega.com/u/BhanuPrasanthT1)\
**Post date:** [July 8, 2024, 10:13pm UTC](https://forums.pega.com/t/bar-chart-sourced-from-a-report-definition-is-showing-undefined-instead-of-0-for-aggregated-column/7729/2 "2024-07-08T22:13:19Z")

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@Minhaj

this is a product limitation. You can refer below link for details

> **[Bar chart showing undefined instead of 0](https://forums.pega.com/question/bar-chart-showing-undefined-instead-0)**
>
> When there are zero values for an aggregate column in a bar chart, the value shown is ‘undefined’ instead of 0 when the mouse is hovered over the bar. Is there any way to display 0 instead of ‘undefined’?