Hi, All users when they try to upload an image to replace current avatar get an error: undefined method ‘optimized_image_resize_instructions’ for class OptimizedImage Upload of other images (for gallery, or just plain image) works ok. I am not sure when it started, we have relatively small commun…

Which version of Discourse are you running? Do you have any plugins installed?

v2026.9.0 . I have a few plugins: Bbcode color Nationalflags (This is a fork from here GitHub - chapoi/discourse-nationalflags: National Flags plugin for Discourse · GitHub ), original is no longer mainyained) Topic previews sidecar Thank you.

[图片] puchal: Topic previews sidecar See this post and the few posts below it

How did I miss it? :smiley: Thank you, I will try to rebuild over the weekend.

上传头像图片时出错

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RGJ (Richard - Communiteq) 2026 年10 月 8 日 19:00 2

您正在运行哪个版本的 Discourse？
您是否安装了任何插件？

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上传头像图片时出错

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