# Column indexing error on 8.0 but works on 8.1

**URL:** <https://forum.inductiveautomation.com/t/column-indexing-error-on-8-0-but-works-on-8-1/58860>\
**Category:** Ignition\
**Created:** [April 26, 2022, 11:09am UTC](https://forum.inductiveautomation.com/t/column-indexing-error-on-8-0-but-works-on-8-1/58860 "2022-04-26T11:09:19Z")\
**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:** [April 26, 2022, 12:43pm UTC](https://forum.inductiveautomation.com/t/column-indexing-error-on-8-0-but-works-on-8-1/58860/2 "2022-04-26T12:43:03Z")

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IIRC, v8.1 greatly improved the PyDataset's emulation of PyList. So no, you'll need to upgrade.

It is a bit crazy to stay on an EOL version, too. See this discussion:

> [@GIT - best practice](https://forum.inductiveautomation.com/t/git-best-practice/58732/7):
>
> @SBL_MC What @pturmel is referencing is that only the odd numbered versions are supported long term by Ignition so 7.9, 8.1, next will be 8.3 etc. I did not know this until very recently tbch when a coworker told me informed me of this. I’m sure it’s somewhere on their site though.

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