# system.dataset.addColumn bug?

**URL:** <https://forum.inductiveautomation.com/t/system-dataset-addcolumn-bug/17558>\
**Category:** Ignition\
**Tags:** scripting\
**Created:** [March 30, 2018, 4:51pm UTC](https://forum.inductiveautomation.com/t/system-dataset-addcolumn-bug/17558 "2018-03-30T16:51:09Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [March 30, 2018, 5:26pm UTC](https://forum.inductiveautomation.com/t/system-dataset-addcolumn-bug/17558/2 "2018-03-30T17:26:06Z")

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Known bug. See [this thread](http://forum.inductiveautomation.com/t/bug-with-addcolumn-and-none-values/17116).

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