Hello, We have a discourse for the Scala PL for users which was running fine for years : [图片] Scala Users a forum for the Scala programming language. beginner questions welcome Last week, I upgraded to the latest version using "./launcher rebuild app ", si…

Looking deeper, deleting the _t cookie remove the “error 500”, but the error appears again when logged after maybe around 1h.

v2026.9.0 has not been release yet - are you referring to the development/latest version? [图片] Discourse Releases Browse Discourse release history & changelogs.

I’ve not set any specific version, so I guess by default it should be latest (according to "tests-passed" is now "latest" ). In the dashboard, this is the version I get at the bottom.

In /logs, can you find the 500 error and share the error and its backtrace?

升级到 v2026.9.0 后出现 500 错误 / 清除浏览器数据可临时解决

支持安装

merefield (Robert) 2026 年9 月 3 日 17:18 5

在 /logs 中，你能找到 500 错误并分享该错误及其堆栈跟踪吗？

话题		回复	浏览量
Forum doesn't work after latest upgrade Self-hosting	17	518	2024 年5 月 17 日
Link to upgrade shows 500 error Bug	6	1074	2017 年10 月 2 日
HTTP Error 500 at main forum page after Discourse upgrade Support	4	781	2021 年8 月 25 日
:cn: 500 error when upgrading Discourse \| Discourse 升级时候 500 错误 Sysadmins chinese-translation	2	391	2024 年5 月 19 日
The discourse stopped working with error 500 Internal Server Error Bug	1	3106	2017 年3 月 7 日

升级到 v2026.9.0 后出现 500 错误 / 清除浏览器数据可临时解决

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