My WordPress site with latest version of WP Discourse is returning on every post under the discourse tab: There was an error returning the category list from Discourse. The logs are full of errors [2025-09-22 00:10:14] comment.ERROR: sync_comments.get_discourse_category {"message":"The categori…

Thank you @angus Good to know about /site.json where I do see all categories. I found the problem! It was totally PEBKAC . In the plugin settings, for Discourse URL, I had entered an http:// url not https:// - note the example below the field perhaps should reflect this. [Screenshot 128] Changing…

maybe see this post (and topic) [图片] Issues with category selection in WP-Discourse WordPress The “There was an error returning the category list from Discourse” error message in your screenshot indicates that there is a problem with the plugin’s configuration…

I thought that was the problem as for some reason I had done the one user, but still no difference. Now I found what is more likely the answer, for some reason our server admin is still running a PHP version 7.4, I need to have them bump it.

Nope, PHP version not the issue. Running now PHP 8.3 and I still see on all posts the discourse category error. [Screenshot 70] The log is full of errors: [2025-09-30 00:15:49] comment.ERROR: sync_comments.get_discourse_category {"message":"The categories key was not found in the response from D…

[图片] cogdog: This previously worked fine, but I have been unable for weeks to get the plugin to work. Let’s think about what changed. The plugin hasn’t changed in the past few weeks, so what may have changed to cause this: Did you make any changes to Wordpress? New plugins, new hosting serv…

@cogdog were you able to resolve your issue? We’re all curious about an update, esp after Angus shared troubleshooting steps.

I got busy and forgot to reply. I cannot be sure since this is a WordPress site for the organization I work for. My colleagues who post there have not made much use of it, so I cannot be sure how long ago when I remember it worked correctly- maybe months. No hosting change or cloudflare use. There …

If possible, could you share a link to your wordpress and discourse instances? If that’s not possible, please have a look at the /site.json endpoint of your discourse. For example if you go to meta.discourse.org/site.json you’ll see some JSON that includes a categories list. Essentially that error a…

类别请求错误

支持 WordPress

Lilly (Lillian ) 2025 年9 月 23 日 03:16 2

也许可以看看这个帖子（和主题）

话题		回复	浏览量
Issues with category selection in WP-Discourse WordPress	8	1966	2020 年4 月 30 日
Category endpoints not working Support wordpress , lazy-load-categories	14	276	2024 年9 月 27 日
Sync Wordpress and Discourse categories WordPress	4	616	2022 年8 月 24 日
Discourse Wordpress Plugin pulling new discourse categories doesn't work WordPress	4	1221	2019 年8 月 9 日
There was an error returning the category list from Discourse Support wordpress	3	543	2023 年5 月 19 日

类别请求错误

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