Hi everyone, I have “AI embeddings semantic search” enabled on my site, but whenever I try to search something, I get a 500 Internal Server Error and no results are returned. Regular search works fine when I disable that setting. Here’s what I get in the browser console: static.cloudflareinsights…

Looks like I just had to recreate the Embeddings configuration in my Discourse-AI admin settings for Gemini, and set the embedding dimensions to 3072. I’m guessing this config was created a while back, when the default was still 768. Thanks @nat for pointing me to check the logs!

Have you setup an embeddings model on the AI settings page ?

Yes, I have. I configured a Gemini embeddings model in the AI settings page, and the Run test button completes successfully with a Success! result, as shown in the screenshot. So the embeddings model appears to be configured correctly. [image] I also have this error at the top I don’t know if its…

There’s likely more information in /logs also since 500-type errors go there. Can you check? The “Success!” only confirms the API credentials and endpoint work, but does not test the semantic search process.

Error ERROR: expected 768 dimensions, not 3072 querying embeddings for model gemini: Message (15 copies reported) Error ERROR: expected 768 dimensions, not 3072 querying embeddings for model gemini Backtrace /var/www/discourse/vendor/bundle/ruby/3.4.0/gems/activesupport-8.0.5/lib/active_supp…

AI Embeddings 语义搜索返回 500 错误

支持安装

Falco (Falco) 2026年七月23日 03:59 2

您是否在 AI 设置页面配置了嵌入模型？

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AI Embeddings 语义搜索返回 500 错误

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