# Mautic 4.20 throws 500 internal error in asset and form page/tab

**URL:** <https://forum.mautic.org/t/mautic-4-20-throws-500-internal-error-in-asset-and-form-page-tab/23246>\
**Category:** Mautic 4 Install/Upgrade Support\
**Created:** [March 24, 2022, 12:13am UTC](https://forum.mautic.org/t/mautic-4-20-throws-500-internal-error-in-asset-and-form-page-tab/23246 "2022-03-24T00:13:28Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![mzagmajster](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/mzagmajster/32/687_2.png) [@mzagmajster](https://forum.mautic.org/u/mzagmajster)\
**Post date:** [April 5, 2022, 8:14am UTC](https://forum.mautic.org/t/mautic-4-20-throws-500-internal-error-in-asset-and-form-page-tab/23246/11 "2022-04-05T08:14:13Z")

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Hi, I do not really have notes sorry :). and exact SQL statements would not really help the others. Basically what we did is bring database schema up to date which in your case required to manually check for differences in schema and migrations and then based on that execute SQL statements. We partially followed this procedure: [MySQL error upgrading to 4.2 - #6 by mzagmajster](https://forum.mautic.org/t/mysql-error-upgrading-to-4-2/22867/6)

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