# Oops error

**URL:** https://meta.discourse.org/t/oops/399614
**Category:** Support
**Created:** [March 31, 2026, 8:15am UTC](https://meta.discourse.org/t/oops/399614 "2026-03-31T08:15:28Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![david](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/david/32/157490_2.png) [@david](https://meta.discourse.org/u/david)
#### Post date: [March 31, 2026, 8:37am UTC](https://meta.discourse.org/t/oops/399614/5 "2026-03-31T08:37:46Z")

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Did you downgrade your site from `latest` to `esr`? That would explain this kind of error.

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_[View the full topic](https://meta.discourse.org/t/oops/399614)._