# NameError: uninitialized constant ReactionsSerializerHelpers when loading topic posts

**URL:** <https://meta.discourse.org/t/nameerror-uninitialized-constant-reactionsserializerhelpers-when-loading-topic-posts/403692>\
**Category:** Bug\
**Tags:** reactions\
**Created:** [May 23, 2026, 9:46am UTC](https://meta.discourse.org/t/nameerror-uninitialized-constant-reactionsserializerhelpers-when-loading-topic-posts/403692 "2026-05-23T09:46:00Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Ethsim2](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/ethsim2/32/522255_2.png) [@Ethsim2](https://meta.discourse.org/u/Ethsim2)\
**Post date:** [May 26, 2026, 1:07pm UTC](https://meta.discourse.org/t/nameerror-uninitialized-constant-reactionsserializerhelpers-when-loading-topic-posts/403692/4 "2026-05-26T13:07:42Z")

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![IMG7890](https://global.discourse-cdn.com/meta/original/4X/d/a/b/dabb70dba52dbae4ff43e68bd6332bcc69ea6e94.jpeg)

this is the appearance of my logs after rebuild at about 12:23pm BST today

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_[View the full topic](https://meta.discourse.org/t/nameerror-uninitialized-constant-reactionsserializerhelpers-when-loading-topic-posts/403692)._