# Mise à niveau échouée (NoMethodError : méthode non définie \`register\_bookmarkable' pour Bookmark:Class)

**URL:** <https://meta.discourse.org/t/upgrade-failed-nomethoderror-undefined-method-register-bookmarkable-for-bookmark-class/258761>\
**Category:** Self-hosting\
**Created:** [Mars 20, 2023, 3:51 UTC](https://meta.discourse.org/t/upgrade-failed-nomethoderror-undefined-method-register-bookmarkable-for-bookmark-class/258761 "2023-03-20T15:51:38Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![stevejr](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/stevejr/32/292622_2.png) [@stevejr](https://meta.discourse.org/u/stevejr)\
**Post date:** [Octobre 2, 2023, 1:03 UTC](https://meta.discourse.org/t/upgrade-failed-nomethoderror-undefined-method-register-bookmarkable-for-bookmark-class/258761/5 "2023-10-02T13:03:00Z")

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Quelqu’un a-t-il vu cette erreur sans que le plugin discourse-data-explorer soit installé ?

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_[View the full topic](https://meta.discourse.org/t/upgrade-failed-nomethoderror-undefined-method-register-bookmarkable-for-bookmark-class/258761)._