Known Errors
Errors people have run into, and how to fix them.
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Known ErrorBackend navigation and list rows stop responding behind Cloudflare
When a website runs behind Cloudflare, parts of the backend panel can stop working. For example, the navigation menu stops responding after opening a page, list rows ignore hover and click events, or the page only starts working again after a popup is opened and closed. The symptoms can be hard to trace since no errors appear in the browser console. Cloudflare Rocket Loader rewrites script tags to defer their execution, which breaks the script loading order that the backend panel relies on.
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Known ErrorBackend panel displays "Page not found" (404)
The backend panel can display a "Page not found" (404) page during or after installing October CMS. If the application cannot find the database, the backend shows a 404 page.
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Known ErrorBlank screen when opening the application
A blank screen can be displayed when you open the application during or after installing October CMS.
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Known ErrorComposer error: Invalid credentials (HTTP 403)
Composer shows the error
Invalid credentials (HTTP 403) for '...', aborting.when the auth.json file is missing on your server or your project license has expired. -
Known ErrorcURL error 60: unable to get local issuer certificate
An error "Unable to get local issuer certificate" can be displayed when installing October CMS. The complete error may read
cURL error 60: SSL certificate problem: unable to get local issuer certificate. -
Known ErrorError 500 when updating the application
An error 500 can be displayed when updating October CMS.
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Known ErrorSpecified key was too long; max key length is 767 bytes
An error "Specified key was too long" can be displayed when running the database migration. This can happen with older versions of MySQL or MariaDB. The complete error may read
SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes. -
Known ErrorInvalid security token error when logging in
An "Invalid security token" error can be displayed when logging in, during or after installing October CMS.
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Known ErrorZend OPcache API is restricted by "restrict_api" configuration directive
The error
Zend OPcache API is restricted by "restrict_api" configuration directivecan appear when October CMS tries to use the OPcache internals. -
Known ErrorInstallation freezes after entering the license key
The October CMS installation can freeze after you enter the license key. This can happen in some environments when you paste the license key.
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Known ErrorSecurity vulnerability in RainLab.User / Reset Password component
There is a serious vulnerability found in the Reset Password component of the User plugin by RainLab from version 1.4.1 and below.
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Known ErrorHosting limitations - cannot edit pages in back-end
There is a known issue with certain hosting providers. It prevents the CMS from saving pages or layouts.
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