# Can't add additional custom fields --- Alter Table Error

**URL:** <https://forum.mautic.org/t/cant-add-additional-custom-fields-alter-table-error/22348>\
**Category:** Product Support\
**Tags:** mautic-4\
**Created:** [January 15, 2022, 4:41pm UTC](https://forum.mautic.org/t/cant-add-additional-custom-fields-alter-table-error/22348 "2022-01-15T16:41:27Z")\
**Posts on this page:** 1\
**Showing post:** 3

<div class="post-metadata">

**Author:** ![slavchob](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/slavchob/32/7468_2.png) [@slavchob](https://forum.mautic.org/u/slavchob)\
**Post date:** [August 14, 2022, 6:00pm UTC](https://forum.mautic.org/t/cant-add-additional-custom-fields-alter-table-error/22348/3 "2022-08-14T18:00:58Z")

</div>

> [@patrickeidemiller](#):
>
> /s/update/schema

the solution is here:

> [@Strange SQL Error when trying to create new custom field](https://forum.mautic.org/t/strange-sql-error-when-trying-to-create-new-custom-field/22135/2):
>
> I am also experiencing this issue with Mautic 4.2.2 Here’s my error when trying to create a select-multiple custom field: An exception occurred while executing 'ALTER TABLE leads ADD vol\_type VARCHAR(255) DEFAULT NULL': SQLSTATE[42S22]: Column not found: 1054 Unknown column '`XXXXX`.`l`.`email`' in 'GENERATED ALWAYS'

---

_[View the full topic](https://forum.mautic.org/t/cant-add-additional-custom-fields-alter-table-error/22348)._