# Installation **URL:** https://forums.concretecms.org/c/installation/5.md [Latest](https://forums.concretecms.org/latest.md) · [Categories](https://forums.concretecms.org/categories.md) · [Tags](https://forums.concretecms.org/tags.md) --- ## [About the Installation category](https://forums.concretecms.org/t/about-the-installation-category/48)
**Author:** [@ConcreteCMS](https://forums.concretecms.org/u/ConcreteCMS)\ **Replies:** 3\ **Last updated:** [August 20, 2021, 7:40am UTC](https://forums.concretecms.org/t/about-the-installation-category/48 "2021-08-20T07:40:04Z")
Having trouble Having trouble installing Concrete CMS? See the Installation Guide for more detailed information. For installation issues please use this forum. Use the following paragraphs for a longer description, or … --- ## [Concrete5.6 running on PHP 8.4.23](https://forums.concretecms.org/t/concrete5-6-running-on-php-8-4-23/10010)
**Author:** [@ConcreteOwl](https://forums.concretecms.org/u/ConcreteOwl)\ **Replies:** 20\ **Last updated:** [October 4, 2026, 6:20am UTC](https://forums.concretecms.org/t/concrete5-6-running-on-php-8-4-23/10010 "2026-10-04T06:20:09Z")
Many users of the Concrete5.6.x.x CMS have been forced to abandon their website CMS 5.6 files because of hosting companies that have decided to no longer support the PHP version that is required to successfully run Concr… --- ## [Welcome backの画面からHOMEを開いた後再びwelcome backの画面を開く方法](https://forums.concretecms.org/t/welcome-back-home-welcome-back/10043)
**Author:** [@yasugen1965](https://forums.concretecms.org/u/yasugen1965)\ **Replies:** 0\ **Last updated:** [September 8, 2026, 11:36am UTC](https://forums.concretecms.org/t/welcome-back-home-welcome-back/10043 "2026-09-08T11:36:39Z")
お世話になっております。一般のユーザがログインして表示されるwelcome backの画面からHOMEへ移って、そのあとwelcome backを開くにはどうしたらいいのでしょうか？ --- ## [Imorting the content of a 5.6.3.1 site into a fresh 9.5.2 site](https://forums.concretecms.org/t/imorting-the-content-of-a-5-6-3-1-site-into-a-fresh-9-5-2-site/9992)
**Author:** [@PaulGuijt](https://forums.concretecms.org/u/PaulGuijt)\ **Replies:** 2\ **Last updated:** [July 15, 2026, 6:09pm UTC](https://forums.concretecms.org/t/imorting-the-content-of-a-5-6-3-1-site-into-a-fresh-9-5-2-site/9992 "2026-07-15T18:09:21Z")
I have an old Concrete5 5.6.3.1 site, and am considering building a new 9.5.2 site and importing the content of the old site. Is that an option? If it is, what should I know? I already know that the old site runs on PHP… --- ## [Composer Concrete 9.5.2 not available](https://forums.concretecms.org/t/composer-concrete-9-5-2-not-available/9958)
**Author:** [@PATRICKKASIE](https://forums.concretecms.org/u/PATRICKKASIE)\ **Replies:** 9\ **Last updated:** [June 22, 2026, 7:43am UTC](https://forums.concretecms.org/t/composer-concrete-9-5-2-not-available/9958 "2026-06-22T07:43:19Z")
Dear Concrete CMS forum, or in this case, dear devs, Can you make Concrete 9.5.2 available to use for Composer? Greetings, Patrick --- ## [SMTP Email Completely Broken After Upgrading to 9.5.0](https://forums.concretecms.org/t/smtp-email-completely-broken-after-upgrading-to-9-5-0/9903)
**Author:** [@InformaticsInc](https://forums.concretecms.org/u/InformaticsInc)\ **Replies:** 1\ **Last updated:** [May 6, 2026, 1:44pm UTC](https://forums.concretecms.org/t/smtp-email-completely-broken-after-upgrading-to-9-5-0/9903 "2026-05-06T13:44:21Z")
Hey everyone, Just upgraded one of my sites from 9.4.8 to 9.5.0 and ran into an issue — SMTP email is broken after the upgrade. Everything was working fine on 9.4.8. After upgrading, I went to test the mail settings (D… --- ## [Concerete 5 9.5 update](https://forums.concretecms.org/t/concerete-5-9-5-update/9902)
**Author:** [@littlerock](https://forums.concretecms.org/u/littlerock)\ **Replies:** 3\ **Last updated:** [May 5, 2026, 4:05pm UTC](https://forums.concretecms.org/t/concerete-5-9-5-update/9902 "2026-05-05T16:05:17Z")
Heads up on a Concrete CMS issue we ran into after the recent server and core updates. Form submissions were saving correctly in the dashboard, but email notifications were coming through blank. The issue is in FormBloc… --- ## [Github reporting Latest Version as 9.4.7 error?](https://forums.concretecms.org/t/github-reporting-latest-version-as-9-4-7-error/9850)
**Author:** [@ConcreteOwl](https://forums.concretecms.org/u/ConcreteOwl)\ **Replies:** 3\ **Last updated:** [April 12, 2026, 5:18pm UTC](https://forums.concretecms.org/t/github-reporting-latest-version-as-9-4-7-error/9850 "2026-04-12T17:18:55Z")
The latest version reported on GitHub is displayed as 9.4.7 Should this not be version 9.4.8? --- ## [Composer Concrete update fails 9.4.7 to 9.4.8](https://forums.concretecms.org/t/composer-concrete-update-fails-9-4-7-to-9-4-8/9830)
**Author:** [@PATRICKKASIE](https://forums.concretecms.org/u/PATRICKKASIE)\ **Replies:** 2\ **Last updated:** [March 18, 2026, 2:29pm UTC](https://forums.concretecms.org/t/composer-concrete-update-fails-9-4-7-to-9-4-8/9830 "2026-03-18T14:29:35Z")
This is a follow up from Composer Concrete update fails I’ve tried using the command “composer update” but I get the following error: I’ve tried this with both composer update as well as /usr/local/php83/bin/php83 /… --- ## [Installing dev version through Composer doesn't work](https://forums.concretecms.org/t/installing-dev-version-through-composer-doesnt-work/9768)
**Author:** [@PATRICKKASIE](https://forums.concretecms.org/u/PATRICKKASIE)\ **Replies:** 0\ **Last updated:** [February 10, 2026, 1:04pm UTC](https://forums.concretecms.org/t/installing-dev-version-through-composer-doesnt-work/9768 "2026-02-10T13:04:08Z")
Dear ConcreteCMS community, After following the 3 commands as is described in Starting with the Concrete latest develop, I get the following error: Your requirements could not be resolved to an installable set of packa… --- ## [Revert to previous version of concrete5](https://forums.concretecms.org/t/revert-to-previous-version-of-concrete5/8398)
**Author:** [@swinn7195](https://forums.concretecms.org/u/swinn7195)\ **Replies:** 9\ **Last updated:** [January 20, 2026, 12:20am UTC](https://forums.concretecms.org/t/revert-to-previous-version-of-concrete5/8398 "2026-01-20T00:20:27Z")
i have upraded my concrete 5 to ve 9.1.1 and am now getting a “Cannot use Concrete\\Core\\Foundation\\Object as Object because ‘Object’ is a special class name” How do I go about clearing this or if I need to revert to an … --- ## [Errors when upgrading version](https://forums.concretecms.org/t/errors-when-upgrading-version/9733)
**Author:** [@jasonenslin](https://forums.concretecms.org/u/jasonenslin)\ **Replies:** 1\ **Last updated:** [January 19, 2026, 3:42pm UTC](https://forums.concretecms.org/t/errors-when-upgrading-version/9733 "2026-01-19T15:42:18Z")
Hi Guys, Please assist, i too have broken my website because of aversion upgrade, Unable to get permission key for view\_debug\_error\_information Exception Stack Trace Exception in /home/s1k51jpnh7w0/public\_html… --- ## [Upgrade to v9.4.7 failed with DB constraint error, reset to 9.1.3 and now cannot login](https://forums.concretecms.org/t/upgrade-to-v9-4-7-failed-with-db-constraint-error-reset-to-9-1-3-and-now-cannot-login/9712)
**Author:** [@zincastle](https://forums.concretecms.org/u/zincastle)\ **Replies:** 3\ **Last updated:** [January 7, 2026, 7:44pm UTC](https://forums.concretecms.org/t/upgrade-to-v9-4-7-failed-with-db-constraint-error-reset-to-9-1-3-and-now-cannot-login/9712 "2026-01-07T19:44:07Z")
Cannot login using email address and password after the upgrade to v9.4.7 failed and I reset the update.php path to the prior version 9.1.3. The site works, however the login does not. I generated a new password with a… --- ## [Cannot create user groups ver 9.4.6, mySQL ver 8.4](https://forums.concretecms.org/t/cannot-create-user-groups-ver-9-4-6-mysql-ver-8-4/9641)
**Author:** [@bluPaula](https://forums.concretecms.org/u/bluPaula)\ **Replies:** 8\ **Last updated:** [December 28, 2025, 11:51pm UTC](https://forums.concretecms.org/t/cannot-create-user-groups-ver-9-4-6-mysql-ver-8-4/9641 "2025-12-28T23:51:39Z")
Unable to install database: An exception occurred while executing 'CREATE TABLE Groups (gID INT UNSIGNED AUTO\_INCREMENT NOT NULL … I thought this was resolved a long time ago… I’m a designer not a coder and I’m totally … --- ## [Composer Concrete 9.4.7 not available](https://forums.concretecms.org/t/composer-concrete-9-4-7-not-available/9636)
**Author:** [@PATRICKKASIE](https://forums.concretecms.org/u/PATRICKKASIE)\ **Replies:** 4\ **Last updated:** [December 22, 2025, 7:08pm UTC](https://forums.concretecms.org/t/composer-concrete-9-4-7-not-available/9636 "2025-12-22T19:08:27Z")
Dear Concrete CMS forum, or in this case, dear devs, Can you make Concrete 9.4.7 available to use for Composer? Greetings, Patrickkasie --- ## [Application/files must be writable by web server](https://forums.concretecms.org/t/application-files-must-be-writable-by-web-server/7377)
**Author:** [@lineinthesand](https://forums.concretecms.org/u/lineinthesand)\ **Replies:** 13\ **Last updated:** [September 28, 2025, 3:21pm UTC](https://forums.concretecms.org/t/application-files-must-be-writable-by-web-server/7377 "2025-09-28T15:21:17Z")
I’m trying to install 9.2.9 using composer as described here: composer/README.md at master · concretecms/composer · GitHub When I try to install it with php ./vendor/bin/concrete c5:install -i I get the error: - Wri… --- ## [Error Code appearing when trying to set up / Install Concrete CMS](https://forums.concretecms.org/t/error-code-appearing-when-trying-to-set-up-install-concrete-cms/9428)
**Author:** [@ADeepFriedWario](https://forums.concretecms.org/u/ADeepFriedWario)\ **Replies:** 1\ **Last updated:** [September 12, 2025, 3:19pm UTC](https://forums.concretecms.org/t/error-code-appearing-when-trying-to-set-up-install-concrete-cms/9428 "2025-09-12T15:19:31Z")
So we inputted all the correct information we were given by the person who set up the website and after multiple attempts we were given this error code. We tried different ways of inputting the information so we know t… --- ## [Update a third party](https://forums.concretecms.org/t/update-a-third-party/9273)
**Author:** [@jobrey](https://forums.concretecms.org/u/jobrey)\ **Replies:** 0\ **Last updated:** [July 21, 2025, 5:49pm UTC](https://forums.concretecms.org/t/update-a-third-party/9273 "2025-07-21T17:49:04Z")
Getting this error - looking for assistance: Warning: Found outdated Symfony inside: ./concrete/vendor - Version: 3.4.49 (from ./concrete/vendor/symfony/http-kernel/Kernel.php)- Please update asap. --- ## [Update remotely from 9.3.9 to 9.4.1, I got the following error](https://forums.concretecms.org/t/update-remotely-from-9-3-9-to-9-4-1-i-got-the-following-error/9176)
**Author:** [@ACI](https://forums.concretecms.org/u/ACI)\ **Replies:** 7\ **Last updated:** [June 13, 2025, 1:01am UTC](https://forums.concretecms.org/t/update-remotely-from-9-3-9-to-9-4-1-i-got-the-following-error/9176 "2025-06-13T01:01:26Z")
Please let me know. When I tried to update remotely from 9.3.9 to 9.4.1, I got the following error. An exception occurred while executing ‘ALTER TABLE Logs ADD CID INT UNSIGNED DEFAULT NULL’: SQLSTATE\[42S21\]: Column a… --- ## [Composer Concrete update fails](https://forums.concretecms.org/t/composer-concrete-update-fails/9071)
**Author:** [@PATRICKKASIE](https://forums.concretecms.org/u/PATRICKKASIE)\ **Replies:** 4\ **Last updated:** [June 4, 2025, 4:20pm UTC](https://forums.concretecms.org/t/composer-concrete-update-fails/9071 "2025-06-04T16:20:28Z")
Dear Concrete community, I have tried upgrading Concrete CMS using “composer update” but I’m greeted with the following error: I’ve tried as the user before, which is why I resorted to root user. It still didn’t wor… --- ## [Updated Libraries in Concrete version 8.5.20](https://forums.concretecms.org/t/updated-libraries-in-concrete-version-8-5-20/9028)
**Author:** [@dgreer](https://forums.concretecms.org/u/dgreer)\ **Replies:** 2\ **Last updated:** [May 1, 2025, 3:03pm UTC](https://forums.concretecms.org/t/updated-libraries-in-concrete-version-8-5-20/9028 "2025-05-01T15:03:29Z")
The release notes for version 8.5.20 indicate that there are updated libraries (Bootstrap, jQuery UI, phpseclib, etc.) Can anyone tell me what versions of bootstrap and jquery UI are used in 8.5.20? I am about to do an… --- ## [Upgrading from 8.5.15 to 9](https://forums.concretecms.org/t/upgrading-from-8-5-15-to-9/8941)
**Author:** [@dgreer](https://forums.concretecms.org/u/dgreer)\ **Replies:** 4\ **Last updated:** [April 7, 2025, 1:33pm UTC](https://forums.concretecms.org/t/upgrading-from-8-5-15-to-9/8941 "2025-04-07T13:33:27Z")
What is the upgrade path from version 8.5.15 to the latest stable version of 9? I can’t find anywhere in the documentation that talks about what version can be skipped in the update process. --- ## [White screen with PHP 8](https://forums.concretecms.org/t/white-screen-with-php-8/8710)
**Author:** [@MathiasB](https://forums.concretecms.org/u/MathiasB)\ **Replies:** 19\ **Last updated:** [February 19, 2025, 3:18pm UTC](https://forums.concretecms.org/t/white-screen-with-php-8/8710 "2025-02-19T15:18:54Z")
Hi folks, i run the version 8.5.9 with php 7. Everything works fine. Now my provider is going to switch off all php version lower than 8. When I switch to php 8 my screen becomes white (empty body tag). When i switch b… --- ## [Database should support the configured character set](https://forums.concretecms.org/t/database-should-support-the-configured-character-set/8785)
**Author:** [@cgrauer](https://forums.concretecms.org/u/cgrauer)\ **Replies:** 3\ **Last updated:** [February 18, 2025, 2:30pm UTC](https://forums.concretecms.org/t/database-should-support-the-configured-character-set/8785 "2025-02-18T14:30:10Z")
I get the following message during installation of CCMS 9.3.9: “Database should support the configured character set and collation The database does not have a complete support for all the Unicode characters. This impl… --- ## [Differences of installation methods](https://forums.concretecms.org/t/differences-of-installation-methods/8755)
**Author:** [@olivetree](https://forums.concretecms.org/u/olivetree)\ **Replies:** 3\ **Last updated:** [February 11, 2025, 10:15am UTC](https://forums.concretecms.org/t/differences-of-installation-methods/8755 "2025-02-11T10:15:38Z")
Hello I am using ConcreteCMS 9.3.9 on a budget hosting with Litespeed server and cPanel. The installation of ConcreteCMS 9.3.9 on web hosting with cPanel via Softaculous Installer is very practical and ideal for testin… --- ## [Font-awesome error](https://forums.concretecms.org/t/font-awesome-error/8275)
**Author:** [@sfiat](https://forums.concretecms.org/u/sfiat)\ **Replies:** 8\ **Last updated:** [January 29, 2025, 2:53pm UTC](https://forums.concretecms.org/t/font-awesome-error/8275 "2025-01-29T14:53:10Z")
Hi, I have recently updated my website to 9.3.4 (php 8.3) from an 8ish version and I have some trouble with font-awesome library… The whole site, including admin dashboard, is using the font-awesome css from the theme u… --- ## [Upgrade issue - latest v8 -\> latest v9 causes serious performance issue](https://forums.concretecms.org/t/upgrade-issue-latest-v8-latest-v9-causes-serious-performance-issue/8630)
**Author:** [@brunis2k](https://forums.concretecms.org/u/brunis2k)\ **Replies:** 5\ **Last updated:** [January 20, 2025, 4:34pm UTC](https://forums.concretecms.org/t/upgrade-issue-latest-v8-latest-v9-causes-serious-performance-issue/8630 "2025-01-20T16:34:37Z")
I first upgraded v5.7 → v8, with no issues, but upgrading to latest v9 causes serious performance problems. v5.7 and v8 pages usually took 300-370 ms’ to load… now I’m seeing 3-4 seconds page loads… and it’s all over t… --- ## [Upgrading from 8.5.6 to 9.0.1](https://forums.concretecms.org/t/upgrading-from-8-5-6-to-9-0-1/2776)
**Author:** [@jbrew2](https://forums.concretecms.org/u/jbrew2)\ **Replies:** 5\ **Last updated:** [December 3, 2024, 12:23am UTC](https://forums.concretecms.org/t/upgrading-from-8-5-6-to-9-0-1/2776 "2024-12-03T00:23:19Z")
Currrently running 8.5.6 and would like to upgrade to 9.0.1 to use Containers. After I make my backup, do I have to upgrade incremnetly (8.5.7 then x.x.8 .etc, .etc) or can I go straight to 9.0.1…or is it x.x.2 now? T… --- ## [Is Stucco compatible with Concrete 9.x?](https://forums.concretecms.org/t/is-stucco-compatible-with-concrete-9-x/8356)
**Author:** [@yasugen1965](https://forums.concretecms.org/u/yasugen1965)\ **Replies:** 5\ **Last updated:** [November 27, 2024, 4:26pm UTC](https://forums.concretecms.org/t/is-stucco-compatible-with-concrete-9-x/8356 "2024-11-27T16:26:16Z")
Thank you for your continued support. I am currently using stucco 2.1.6 with concrete 8.5.12. I will probably upgrade to concrete 9.x in the future, so if anyone knows whether stucco can be used, could you please let m… --- ## [Getting errors after upgrading to PHP 8+](https://forums.concretecms.org/t/getting-errors-after-upgrading-to-php-8/8396)
**Author:** [@brussell](https://forums.concretecms.org/u/brussell)\ **Replies:** 1\ **Last updated:** [November 16, 2024, 3:34pm UTC](https://forums.concretecms.org/t/getting-errors-after-upgrading-to-php-8/8396 "2024-11-16T15:34:15Z")
Just upgraded site from 9.2.x to 9.3.7 with PHP 7.4.14. Site runs fine after upgrade. After upgrading PHP from 7.4 to 8.2 or 8.3, most of the site runs fine except the Welcome Page, Extend Concrete5, and Update Concrete5… [Next page](https://forums.concretecms.org/c/installation/5.md?page=1)