# Missing required field error on UnitsOfMeasure table while required field is populated

**URL:** <https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199>\
**Category:** Nextworld Platform\
**Created:** [September 2, 2026, 2:32pm UTC](https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199 "2026-09-02T14:32:12Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![benh](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nextw.com/benh/32/1737_2.png) [@benh](https://community.nextw.com/u/benh)\
**Post date:** [September 2, 2026, 2:32pm UTC](https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199/1 "2026-09-02T14:32:12Z")

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Receiving a system error on save on the _UnitOfMeasureGroup_ field, _UnitsOfMeasure_ table while it is populated. I can also see in dev tools that the field has the value I set. I have regenerated the app and refreshed the table with not luck, how do I get around this?

 ![UOMRequiredFieldError](https://us1.discourse-cdn.com/flex001/uploads/nextworld/original/2X/a/a6a9e0f8d86c28b1caac2e316128fde722cfb8a1.png)

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**Author:** ![ian.p](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nextw.com/ian.p/32/427_2.png) [@ian.p](https://community.nextw.com/u/ian.p)\
**Post date:** [September 2, 2026, 3:04pm UTC](https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199/2 "2026-09-02T15:04:38Z")

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This seems like a bug to me, I recommend creating a customer support ticket.

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**Author:** ![mwei](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nextw.com/mwei/32/1728_2.png) [@mwei](https://community.nextw.com/u/mwei)\
**Post date:** [September 2, 2026, 7:28pm UTC](https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199/3 "2026-09-02T19:28:27Z")

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Not an error - the Units of Measure list lookup value needed a dependent lookup value.

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**Author:** ![ian.p](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nextw.com/ian.p/32/427_2.png) [@ian.p](https://community.nextw.com/u/ian.p)\
**Post date:** [September 2, 2026, 8:04pm UTC](https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199/4 "2026-09-02T20:04:26Z")

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Good stuff, glad you know what was causing this! Seems like there should be a bug here with reverse dependent list lookups causing a confusing user experience when the `Dependent Value` is left empty.

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**Author:** ![mwei](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nextw.com/mwei/32/1728_2.png) [@mwei](https://community.nextw.com/u/mwei)\
**Post date:** [September 3, 2026, 3:31pm UTC](https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199/6 "2026-09-03T15:31:29Z")

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I think the error just needs to be a little bit more clear since to set up unit of measure, you need to populate the table and the list lookup, making sure that the dependent lookup value is populated

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**Author:** ![ian.p](https://sea1.discourse-cdn.com/flex001/user_avatar/community.nextw.com/ian.p/32/427_2.png) [@ian.p](https://community.nextw.com/u/ian.p)\
**Post date:** [September 3, 2026, 5:54pm UTC](https://community.nextw.com/t/missing-required-field-error-on-unitsofmeasure-table-while-required-field-is-populated/2199/7 "2026-09-03T17:54:37Z")

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Agreed, here’s what I’ve asked for:

_After you enter `UOM` = `Each*` you get an error because the Reverse Table Lookup configuration specified between `UnitOfMeasureGroup` and `UnitOfMeasure` on the underlying `UnitsOfMeasure` table cannot be resolved due to a missing `Dependent Value` for `Each*` on the `Units of Measure` list lookup_