# Discourse v3.0.6 から v3.1.1 へのアップグレードエラー - Bookmark:Class の register\_bookmarkable が未定義

**URL:** <https://meta.discourse.org/t/discourse-v3-0-6-to-v3-1-1-upgrade-error-undefined-method-register-bookmarkable-for-bookmark-class/281264>\
**Category:** Self-hosting\
**Tags:** unsupported-install\
**Created:** [2023 年 10 月 6 日午前 7:49 UTC](https://meta.discourse.org/t/discourse-v3-0-6-to-v3-1-1-upgrade-error-undefined-method-register-bookmarkable-for-bookmark-class/281264 "2023-10-06T07:49:15Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![merefield](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/merefield/32/176214_2.png) [@merefield](https://meta.discourse.org/u/merefield)\
**Post date:** [2023 年 10 月 10 日午後 3:13 UTC](https://meta.discourse.org/t/discourse-v3-0-6-to-v3-1-1-upgrade-error-undefined-method-register-bookmarkable-for-bookmark-class/281264/17 "2023-10-10T15:13:13Z")

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私の提案は？バックアップをダンプして標準インストールに移行するだけです。

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_[View the full topic](https://meta.discourse.org/t/discourse-v3-0-6-to-v3-1-1-upgrade-error-undefined-method-register-bookmarkable-for-bookmark-class/281264)._