# 发送聊天消息时出错\[从 3.1.0beta4 降级到 Stable\]

**URL:** <https://meta.discourse.org/t/error-when-i-send-a-message-in-chat-downgraded-to-stable-from-3-1-0beta4/267780>\
**Category:** Self-hosting\
**Tags:** unsupported-install\
**Created:** [2023 年6 月 9 日 10:53 UTC](https://meta.discourse.org/t/error-when-i-send-a-message-in-chat-downgraded-to-stable-from-3-1-0beta4/267780 "2023-06-09T10:53:28Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![FrancescoM](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/francescom/32/387072_2.png) [@FrancescoM](https://meta.discourse.org/u/FrancescoM)\
**Post date:** [2023 年6 月 9 日 10:53 UTC](https://meta.discourse.org/t/error-when-i-send-a-message-in-chat-downgraded-to-stable-from-3-1-0beta4/267780/1 "2023-06-09T10:53:28Z")

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您好，几天前，我将 Discourse 版本从 3.1.0.beta4 降级到 3.0.3，因为存在主题安装问题。

现在，当我发送聊天消息时，我会收到此错误：

> _错误：关系“chat\_uploads”不存在 LINE 1：SELECT “uploads”。 FROM “uploads” INNER JOIN “chat\_uploads” …_\* ^

网站链接是：[https://oii.francescomancuso.it/forum/](https://oii.francescomancuso.it/forum/)

如何解决？谢谢。

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