# Transaction group \_ndx column

**URL:** <https://forum.inductiveautomation.com/t/transaction-group--ndx-column/6269>\
**Category:** Ignition\
**Created:** [April 19, 2013, 10:46am UTC](https://forum.inductiveautomation.com/t/transaction-group--ndx-column/6269 "2013-04-19T10:46:38Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![mikehill100](https://avatars.discourse-cdn.com/v4/letter/m/bcef8e/32.png) [@mikehill100](https://forum.inductiveautomation.com/u/mikehill100)\
**Post date:** [April 19, 2013, 10:46am UTC](https://forum.inductiveautomation.com/t/transaction-group--ndx-column/6269/1 "2013-04-19T10:46:38Z")

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Why does my transaction group keep warning me about tbl\_ndx when I have the “Use custom index column” unchecked?

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**Author:** ![greg.simpson](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/greg.simpson/32/3135_2.png) [@greg.simpson](https://forum.inductiveautomation.com/u/greg.simpson)\
**Post date:** [April 19, 2013, 5:16pm UTC](https://forum.inductiveautomation.com/t/transaction-group--ndx-column/6269/2 "2013-04-19T17:16:15Z")

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Because the table probably needs an index column even though you don’t need it. Try enabling it and see if the error goes away.