# Support **URL:** https://meta.discourse.org/c/support/6.md?page=570 [Latest](https://meta.discourse.org/latest.md) · [Categories](https://meta.discourse.org/categories.md) · [Tags](https://meta.discourse.org/tags.md) **Page:** 571 --- ## ["Sorry, that user can't be invited" inviting Members to Private messages](https://meta.discourse.org/t/sorry-that-user-cant-be-invited-inviting-members-to-private-messages/163353)
**Author:** [@GI-Joe](https://meta.discourse.org/u/GI-Joe)\ **Replies:** 5\ **Last updated:** [September 18, 2020, 9:59am UTC](https://meta.discourse.org/t/sorry-that-user-cant-be-invited-inviting-members-to-private-messages/163353 "2020-09-18T09:59:01Z")
I’ve been frequently getting this error message the past 3-6 days. It must have been due to a recent update. It happens with old messages. Here is the scenario: We have some sort of a guideline shared via private mes… --- ## [Embed mixcloud iframe](https://meta.discourse.org/t/embed-mixcloud-iframe/162464)
**Author:** [@clueless](https://meta.discourse.org/u/clueless)\ **Replies:** 4\ **Last updated:** [September 18, 2020, 4:42am UTC](https://meta.discourse.org/t/embed-mixcloud-iframe/162464 "2020-09-18T04:42:30Z")
:waving\_hand: Hi all, trying to embedd a mixcloud iframe code into a discourse forum. It should be possible as can be seen here: Weekly House Flavoured Mixes - Mixsets / Gigs / Events - Mixxx The code I get from mixclou… --- ## [Discourse won't install because I have 960MB of ram and not 1GB](https://meta.discourse.org/t/discourse-wont-install-because-i-have-960mb-of-ram-and-not-1gb/164257)
**Author:** [@Kloxified](https://meta.discourse.org/u/Kloxified)\ **Replies:** 3\ **Last updated:** [September 18, 2020, 3:14am UTC](https://meta.discourse.org/t/discourse-wont-install-because-i-have-960mb-of-ram-and-not-1gb/164257 "2020-09-18T03:14:19Z")
Discourse sends the error and then just cancels the installation how do I make it install? --- ## [Withdraw own Poll votes?](https://meta.discourse.org/t/withdraw-own-poll-votes/86144)
**Author:** [@LKNickname](https://meta.discourse.org/u/LKNickname)\ **Replies:** 2\ **Last updated:** [April 26, 2018, 7:00am UTC](https://meta.discourse.org/t/withdraw-own-poll-votes/86144 "2018-04-26T07:00:14Z")
Is it possible to “delete” ones Poll-Votes? For example: User A creates a Poll in which he asks the community to rate something. User B just gives a Rating in the Poll without knowing anything about the subject which … --- ## [Unwanted link in welcome text on login page](https://meta.discourse.org/t/unwanted-link-in-welcome-text-on-login-page/164402)
**Author:** [@Papararchy01](https://meta.discourse.org/u/Papararchy01)\ **Replies:** 2\ **Last updated:** [September 18, 2020, 12:53am UTC](https://meta.discourse.org/t/unwanted-link-in-welcome-text-on-login-page/164402 "2020-09-18T00:53:31Z")
Hello, The H2 of the of the ‘Welcome message’ taken from the login\_required.welcome\_message is a dead link on our login page - can anyone assist to remove this link? Cheers --- ## [Cannot use stats counter on web](https://meta.discourse.org/t/cannot-use-stats-counter-on-web/164403)
**Author:** [@Bank\_Live](https://meta.discourse.org/u/Bank_Live)\ **Replies:** 0\ **Last updated:** [September 18, 2020, 12:45am UTC](https://meta.discourse.org/t/cannot-use-stats-counter-on-web/164403 "2020-09-18T00:45:15Z")
After I update the latest version My statistics script Was unable to use normally --- ## [Database shut down error at the end of discourse docker setup](https://meta.discourse.org/t/database-shut-down-error-at-the-end-of-discourse-docker-setup/164383)
**Author:** [@shoaib\_mohammed](https://meta.discourse.org/u/shoaib_mohammed)\ **Replies:** 6\ **Last updated:** [September 17, 2020, 8:58pm UTC](https://meta.discourse.org/t/database-shut-down-error-at-the-end-of-discourse-docker-setup/164383 "2020-09-17T20:58:27Z")
Hi team, I am trying to run the docker discourse set up on AWS EC2 by following this How to configure Discourse on Amazon Web services (AWS) - Axel Fernandes's blog Everything except the last step went fine. Can you ple… --- ## [How to restrict access of non-members](https://meta.discourse.org/t/how-to-restrict-access-of-non-members/164282)
**Author:** [@sturdy2](https://meta.discourse.org/u/sturdy2)\ **Replies:** 4\ **Last updated:** [September 17, 2020, 6:03pm UTC](https://meta.discourse.org/t/how-to-restrict-access-of-non-members/164282 "2020-09-17T18:03:05Z")
I’m trying to configure a restricted membership Discourse instance to allow observers to observe but not otherwise interact with the forum. This seems basic but I cannot find the correct settings. I want a potential mem… --- ## [Question about setting SiteSettings in YAML file](https://meta.discourse.org/t/question-about-setting-sitesettings-in-yaml-file/164145)
**Author:** [@maggiomj](https://meta.discourse.org/u/maggiomj)\ **Replies:** 3\ **Last updated:** [September 17, 2020, 3:34pm UTC](https://meta.discourse.org/t/question-about-setting-sitesettings-in-yaml-file/164145 "2020-09-17T15:34:40Z")
In my app.yml file, I have many (~80) statements like the below - exec: rails r "SiteSetting.some\_setting=false" - exec: rails r "SiteSetting.some\_other\_setting=0" - exec: rails r "SiteSetting.a\_third\_setting=0" T… --- ## [IP Address vs Domain Name](https://meta.discourse.org/t/ip-address-vs-domain-name/162504)
**Author:** [@tech\_hutch](https://meta.discourse.org/u/tech_hutch)\ **Replies:** 5\ **Last updated:** [September 17, 2020, 2:35pm UTC](https://meta.discourse.org/t/ip-address-vs-domain-name/162504 "2020-09-17T14:35:16Z")
Hello. According to discourse/docs/INSTALL-cloud.md at main · discourse/discourse · GitHub, Discourse requires a domain name, and won’t work from an IP address. Why is this? We have a domain name, but we’ve been using t… --- ## [Hosting discourse on our infrastructure AWS](https://meta.discourse.org/t/hosting-discourse-on-our-infrastructure-aws/164314)
**Author:** [@Vijay\_Vantipalli](https://meta.discourse.org/u/Vijay_Vantipalli)\ **Replies:** 2\ **Last updated:** [September 17, 2020, 8:43am UTC](https://meta.discourse.org/t/hosting-discourse-on-our-infrastructure-aws/164314 "2020-09-17T08:43:59Z")
Hi Team I was going through https://www.literatecomputing.com/discourse-installation-packages/ hosting service. Can we take up lite installation and host it on our infrastructure? We want to host it on our ECS service o… --- ## [How to limit Link Preview excerpt maxlength](https://meta.discourse.org/t/how-to-limit-link-preview-excerpt-maxlength/86128)
**Author:** [@Hoang\_Nam](https://meta.discourse.org/u/Hoang_Nam)\ **Replies:** 2\ **Last updated:** [April 25, 2018, 4:43pm UTC](https://meta.discourse.org/t/how-to-limit-link-preview-excerpt-maxlength/86128 "2018-04-25T16:43:31Z")
How to limit Link Preview excerpt maxlength,I want to reduce the number of characters down about 100 characters --- ## [How to acccess urls defined in a plugin publicly?](https://meta.discourse.org/t/how-to-acccess-urls-defined-in-a-plugin-publicly/163615)
**Author:** [@Siddhu\_Dhangar](https://meta.discourse.org/u/Siddhu_Dhangar)\ **Replies:** 3\ **Last updated:** [September 17, 2020, 4:15am UTC](https://meta.discourse.org/t/how-to-acccess-urls-defined-in-a-plugin-publicly/163615 "2020-09-17T04:15:08Z")
I added below code in plugin.rb file. DiscourseRatings::Engine.routes.draw do post "/rate" =\> "rating#rate" post "/remove" =\> "rating#remove" get '/getratings' =\> 'rating#getRatings' end I am able to us… --- ## [500 Error: Unable to save when editing an existing category](https://meta.discourse.org/t/500-error-unable-to-save-when-editing-an-existing-category/164164)
**Author:** [@avraajan](https://meta.discourse.org/u/avraajan)\ **Replies:** 3\ **Last updated:** [September 16, 2020, 11:19pm UTC](https://meta.discourse.org/t/500-error-unable-to-save-when-editing-an-existing-category/164164 "2020-09-16T23:19:11Z")
When I edit an existing catagory and try to save it. It throws a 500 Error. Please help. --- ## [ERR\_BLOCKED\_BY\_CLIENT when creating or editing replies](https://meta.discourse.org/t/err-blocked-by-client-when-creating-or-editing-replies/164141)
**Author:** [@JQ331](https://meta.discourse.org/u/JQ331)\ **Replies:** 5\ **Last updated:** [September 16, 2020, 10:36pm UTC](https://meta.discourse.org/t/err-blocked-by-client-when-creating-or-editing-replies/164141 "2020-09-16T22:36:49Z")
On Chrome on Mac, I am not able to create or edit messages on meta. When I try, the app hangs at “saving”, and I get continual error messages in the inspector: POST https://meta.discourse.org/message-bus/d97.../poll net… --- ## [Discource in Kubernetes (K8S)](https://meta.discourse.org/t/discource-in-kubernetes-k8s/164202)
**Author:** [@Nikolay\_Bogdanov](https://meta.discourse.org/u/Nikolay_Bogdanov)\ **Replies:** 0\ **Last updated:** [September 16, 2020, 12:36pm UTC](https://meta.discourse.org/t/discource-in-kubernetes-k8s/164202 "2020-09-16T12:36:59Z")
Hello. My company is trying to setup the Discourse in our infrastructure for the user content. So I created the image with Ruby code and Helm chart. I deployed the application to k8s without any problem. But our content … --- ## [Private Message - Stop users replying without the right TL for PMing](https://meta.discourse.org/t/private-message-stop-users-replying-without-the-right-tl-for-pming/164217)
**Author:** [@James\_Lodge](https://meta.discourse.org/u/James_Lodge)\ **Replies:** 2\ **Last updated:** [September 16, 2020, 9:20pm UTC](https://meta.discourse.org/t/private-message-stop-users-replying-without-the-right-tl-for-pming/164217 "2020-09-16T21:20:31Z")
Hey all, I’m new to the community, but love the project. I’m looking for away, to disable “reply” in private messaging if the user recieving the message doesn’t have the right TL to be able to create a new private mess… --- ## [No \`Referer:\`, no embedding](https://meta.discourse.org/t/no-referer-no-embedding/163524)
**Author:** [@AxelN](https://meta.discourse.org/u/AxelN)\ **Replies:** 5\ **Last updated:** [September 16, 2020, 7:17pm UTC](https://meta.discourse.org/t/no-referer-no-embedding/163524 "2020-09-16T19:17:28Z")
Hi, We use Discourse embedding for Jekyll at New ROOT Web Site! - ROOT - works like a charm! Unless - the browser is suppressing the Referer: header, in which case we get a 400 Bad Request. Try yourself - if you switch … --- ## [Discourse stopped sending notification emails](https://meta.discourse.org/t/discourse-stopped-sending-notification-emails/164258)
**Author:** [@Javier\_Galan](https://meta.discourse.org/u/Javier_Galan)\ **Replies:** 0\ **Last updated:** [September 16, 2020, 5:56pm UTC](https://meta.discourse.org/t/discourse-stopped-sending-notification-emails/164258 "2020-09-16T17:56:54Z")
We have been using discourse for a long time and suddenly we discovered that (since 2 weeks ago) notification emails are not being sent to our discourse users. Test emails are sent out without problems, however in th… --- ## [Various "ERROR: relation" in logs: what is it and should I care?](https://meta.discourse.org/t/various-error-relation-in-logs-what-is-it-and-should-i-care/164092)
**Author:** [@Canapin](https://meta.discourse.org/u/Canapin)\ **Replies:** 3\ **Last updated:** [September 16, 2020, 5:33pm UTC](https://meta.discourse.org/t/various-error-relation-in-logs-what-is-it-and-should-i-care/164092 "2020-09-16T17:33:14Z")
I have multiple errors like this in my logs: Job exception: PG::UndefinedTable: ERROR: relation "application\_requests" does not exist LINE 1: SELECT "application\_requests"."id" FROM "application\_request... ActiveRecord… --- ## [Setup wont send me the email](https://meta.discourse.org/t/setup-wont-send-me-the-email/164118)
**Author:** [@bacionBOI](https://meta.discourse.org/u/bacionBOI)\ **Replies:** 8\ **Last updated:** [September 16, 2020, 5:05pm UTC](https://meta.discourse.org/t/setup-wont-send-me-the-email/164118 "2020-09-16T17:05:22Z")
The setup won’t send me an email. What should I do? Check my STMP Emails? or Check the Email that is going to be sent to me. --- ## [Concerns regarding safe mode](https://meta.discourse.org/t/concerns-regarding-safe-mode/85809)
**Author:** [@Karl\_Romanowski](https://meta.discourse.org/u/Karl_Romanowski)\ **Replies:** 7\ **Last updated:** [April 25, 2018, 3:52pm UTC](https://meta.discourse.org/t/concerns-regarding-safe-mode/85809 "2018-04-25T15:52:28Z")
I believe safe mode should be IP restricted. For example, the overwatch forums redirect some built-in pages to a 404. Safe mode allows anyone to bypass that 404 and just see the page: Site Statistics All Time Last… --- ## [SSL LetsEncrypt renewal not working (due to an extra reverse proxy on the outside)](https://meta.discourse.org/t/ssl-letsencrypt-renewal-not-working-due-to-an-extra-reverse-proxy-on-the-outside/164236)
**Author:** [@ti0](https://meta.discourse.org/u/ti0)\ **Replies:** 8\ **Last updated:** [September 16, 2020, 3:28pm UTC](https://meta.discourse.org/t/ssl-letsencrypt-renewal-not-working-due-to-an-extra-reverse-proxy-on-the-outside/164236 "2020-09-16T15:28:26Z")
The cert for my discourse instance expired today, and it’s giving an error in the browser. I tried running the renewal manually as per: It showed that the cert renewed, I can see it in the /shared/letsencrypt folder an… --- ## [What would be the best way to make a category "redirecting" people to another website?](https://meta.discourse.org/t/what-would-be-the-best-way-to-make-a-category-redirecting-people-to-another-website/164040)
**Author:** [@Canapin](https://meta.discourse.org/u/Canapin)\ **Replies:** 5\ **Last updated:** [September 16, 2020, 3:18pm UTC](https://meta.discourse.org/t/what-would-be-the-best-way-to-make-a-category-redirecting-people-to-another-website/164040 "2020-09-16T15:18:56Z")
Hi! Context: I’m working on an international forum which have a few subcategories for some languages and we’re reorganizing it all. We currently have categories such as: Since only German is active, this this the o… --- ## [OAuth connection of discourse](https://meta.discourse.org/t/oauth-connection-of-discourse/164182)
**Author:** [@Vijay\_Vantipalli](https://meta.discourse.org/u/Vijay_Vantipalli)\ **Replies:** 3\ **Last updated:** [September 16, 2020, 3:07pm UTC](https://meta.discourse.org/t/oauth-connection-of-discourse/164182 "2020-09-16T15:07:07Z")
Hi Team For connecting my locally deployed discourse application to my internal OAuth service can I just connect it using client ID and client secret entered into the google OAuth fields in the login settings of the app… --- ## [Force notification email on (group) message](https://meta.discourse.org/t/force-notification-email-on-group-message/117553)
**Author:** [@pipkin](https://meta.discourse.org/u/pipkin)\ **Replies:** 7\ **Last updated:** [September 16, 2020, 1:25pm UTC](https://meta.discourse.org/t/force-notification-email-on-group-message/117553 "2020-09-16T13:25:13Z")
We use Discourse to send messages to groups. Unfortunately, when sending a group message, many members do not receive an email notification containing the group message. Would it be possible to forcibly send an email n… --- ## [Number of topics not showing beside categories in category dropdown](https://meta.discourse.org/t/number-of-topics-not-showing-beside-categories-in-category-dropdown/163531)
**Author:** [@riteshsaini](https://meta.discourse.org/u/riteshsaini)\ **Replies:** 10\ **Last updated:** [September 16, 2020, 12:51pm UTC](https://meta.discourse.org/t/number-of-topics-not-showing-beside-categories-in-category-dropdown/163531 "2020-09-16T12:51:21Z")
Hello, The number of topics beside categories in category dropdown is not showing up. I even tried changing the category style but it doesn’t work. Is there any setting that I need to change? Regards --- ## [Application not opening after admin:create](https://meta.discourse.org/t/application-not-opening-after-admin-create/164179)
**Author:** [@Vijay\_Vantipalli](https://meta.discourse.org/u/Vijay_Vantipalli)\ **Replies:** 8\ **Last updated:** [September 16, 2020, 10:21am UTC](https://meta.discourse.org/t/application-not-opening-after-admin-create/164179 "2020-09-16T10:21:14Z")
Hi Team I have containerised and deployed the application. It was showing the initial page where its asking to register a user either using console or configuration file. After I tried creating admin user using cli and … --- ## [Can't enter a new category I made. Please help](https://meta.discourse.org/t/cant-enter-a-new-category-i-made-please-help/163021)
**Author:** [@Yariv\_Cohen](https://meta.discourse.org/u/Yariv_Cohen)\ **Replies:** 6\ **Last updated:** [September 16, 2020, 9:58am UTC](https://meta.discourse.org/t/cant-enter-a-new-category-i-made-please-help/163021 "2020-09-16T09:58:27Z")
Hi all, Today I added a new category on mobile, only for trust level 4 users. I just added a category name, added a URL address in Hebrew (maybe that was the problem), changed the URL, and clicked the “new category” but… --- ## [How to create a notification (for testing)?](https://meta.discourse.org/t/how-to-create-a-notification-for-testing/86112)
**Author:** [@Biscuit](https://meta.discourse.org/u/Biscuit)\ **Replies:** 2\ **Last updated:** [April 25, 2018, 2:22am UTC](https://meta.discourse.org/t/how-to-create-a-notification-for-testing/86112 "2018-04-25T02:22:19Z")
Is there an easy / fast way to create a notification for yourself, while testing themes. I tried: PM to myself Mention myself Posting in a topic I’m watching. But, they don’t create a notification. So I’m waiting… [Previous page](https://meta.discourse.org/c/support/6.md?page=569) [Next page](https://meta.discourse.org/c/support/6.md?page=571)