ErrorNotes

📝 WordPress Errors

52 error notes

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wordpressintermediate

Fixing WordPress REST API 'rest_forbidden' (401/403) Errors

{"code":"rest_forbidden","message":"Sorry, you are not allowed to do that.","data":{"status":401}}
rest-apiwordpress-devauthenticationapache
wordpressintermediate

Fixing MySQL Error #1273: Unknown Collation 'utf8mb4_unicode_520_ci'

#1273 - Unknown collation: 'utf8mb4_unicode_520_ci'
wordpressmysqldatabasemigration
wordpressintermediate

How to Fix the 'Error establishing a Redis connection' in WordPress

Error establishing a Redis connection
redisobject-cachewordpress-optimizationserver-management
wordpressintermediate

How to Fix the WordPress 'Could Not Create Directory' Error

Installation failed: Could not create directory.
wordpresspermissionslinux-serverplugin-error
wordpressintermediate

Fixing the WordPress AJAX '0' Response: A Troubleshooting Guide

0
wordpressajaxphpdebugging
wordpressintermediate

How to Fix the 413 Request Entity Too Large Error in WordPress

413 Request Entity Too Large
nginxuploadserver-configclient_max_body_size
wordpressbeginner

Fix WordPress 'Notice: Undefined index' and PHP Notice Errors Appearing on Site

Notice: Undefined index: [key] in /var/www/html/wp-content/themes/your-theme/functions.php on line 42
wordpressphpnoticeundefined-index
wordpressintermediate

Fixing the WordPress 'Update Failed: Download failed. Unauthorized' Error

Update Failed: Download failed. Unauthorized
wordpressplugin-fixwp-clielementor
wordpressintermediate

Fix "mysqli_real_connect(): (HY000/2002): No such file or directory" in WordPress

Warning: mysqli_real_connect(): (HY000/2002): No such file or directory in /var/www/html/wp-includes/class-wpdb.php
mysqldatabasesocketconnection
wordpressintermediate

Fix WordPress "Warning: count(): Parameter must be an array or an object that implements" (PHP 7.2+)

Warning: count(): Parameter must be an array or an object that implements
wordpressphptroubleshootingdebugging
wordpressintermediate

Fixing 'Fatal error: Cannot redeclare class WC_Cart' and WordPress Plugin Conflicts

Fatal error: Cannot redeclare class WC_Cart (previously declared in /wp-content/plugins/woocommerce/includes/class-wc-cart.php) in /wp-content/plugins/woocommerce/includes/class-wc-cart.php on line 1
plugin-conflictfatal-errorphpwordpress
wordpressintermediate

Fixing the 'Call to undefined function create_function()' Error in WordPress

Fatal error: Uncaught Error: Call to undefined function create_function()
php-8wordpress-fixcoding-standardstroubleshooting
wordpressintermediate

Fixing WordPress cURL Error 7: Connection Refused on Localhost Port 80

cURL error 7: Failed to connect to localhost port 80: Connection refused
wordpresscurllinux-administrationdocker
wordpressintermediate

Fixing the 'Loopback Request Failed' Error in WordPress Site Health

The loopback request to your site failed, this means features relying on them are not currently working as expected.
site-healthloopbackrest-apiwordpress-diagnostic
wordpressbeginner

Fixing the 'This does not seem to be a WordPress installation' WP-CLI Error

Error: This does not seem to be a WordPress installation.
wp-cliwordpressdevopstroubleshooting
wordpressintermediate

Fix 'ERROR: Cookies are blocked or not supported by your browser' in WordPress Login

ERROR: Cookies are blocked or not supported by your browser. You must enable cookies to use WordPress.
wordpresscookiesloginbrowser
wordpressintermediate

Fix "This block contains unexpected or invalid content" in Gutenberg

This block contains unexpected or invalid content
gutenbergblock-editorwordpress-uivalidation-error
wordpressintermediate

Fix: 'Sorry, this file type is not permitted for security reasons' in WordPress

Sorry, this file type is not permitted for security reasons.
wordpresswp-configmime-typessvg-upload
wordpressbeginner

Fixing the 'Another Update is Currently in Progress' Error in WordPress

Another update is currently in progress.
wordpressupdatedatabasemaintenance
wordpressintermediate

Fix WordPress Error: Table 'wp_options' is marked as crashed and should be repaired

Table 'wp_options' is marked as crashed and should be repaired
wordpressmysqldatabaserepair
wordpressintermediate

Fix 'Cookie nonce is invalid' (rest_cookie_invalid_nonce) in WordPress REST API

{ "code": "rest_cookie_invalid_nonce", "message": "Cookie nonce is invalid", "data": { "status": 403 } }
wordpressrest-apinonceauthentication
wordpressbeginner

Fix WordPress Mixed Content Error After Installing SSL/HTTPS

Mixed Content: The page at 'https://example.com' was loaded over HTTPS, but requested an insecure stylesheet 'http://example.com/wp-content/themes/style.css'
wordpresssslhttpsmixed-content
wordpressintermediate

Fix WordPress "Upload: Failed to Write File to Disk" Error

Upload: Failed to Write File to Disk
wordpressuploadpermissionsfilesystem
wordpressintermediate

Fixing the 'Missing MySQL Extension' Error in WordPress

Your PHP installation appears to be missing the MySQL extension which is required by WordPress.
wordpressphpmysqldevops
wordpressintermediate

Fixing the 'Invalid JSON Response' Error in WordPress: A Practical Guide

Updating failed. The response is not a valid JSON response.
wordpressgutenbergjsonrest-api
wordpressintermediate

Solving the Cryptic 'HTTP Error' in WordPress Media Uploads

HTTP Error
media-uploadhttp-errorimagickgd-library
wordpressbeginner

Fixing the 'Invalid argument supplied for foreach()' Warning in WordPress

Warning: Invalid argument supplied for foreach() in /var/www/html/wp-content/themes/mytheme/functions.php on line 125
php-warningforeachwordpress-debugacf
wordpressbeginner

Fixing 'The package could not be installed. The theme is missing the style.css stylesheet' in WordPress

The package could not be installed. The theme is missing the style.css stylesheet.
wordpressthemestylesheetupload
wordpressintermediate

Fixing WordPress: 'Failed to connect to mailserver at localhost port 25'

wp_mail() [function.mail]: Failed to connect to mailserver at "localhost" port 25
wp_mailsmtpwordpress-fixphp-errors
wordpressbeginner

Fix 'Maximum execution time of 30 seconds exceeded' in WordPress

Fatal error: Maximum execution time of 30 seconds exceeded in /var/www/html/wp-includes/class-http.php on line 1
phpmax-execution-timephp.iniwp-config
wordpressintermediate

Fix 'Fatal error: Maximum function nesting level of 100 reached' in WordPress

Fatal error: Maximum function nesting level of '100' reached, aborting!
wordpressphpxdebugrecursion
wordpressintermediate

Fix 'No site defined on this host' Error in WordPress Multisite

No site defined on this host! If you are the owner of this site, please check Debugging WordPress for further assistance.
wordpressmultisitewpmusubdomain
wordpressintermediate

Fix 'cURL error 60: SSL certificate problem: unable to get local issuer certificate' in WordPress

cURL error 60: SSL certificate problem: unable to get local issuer certificate
curlsslcertificatewp-remote-get
wordpressbeginner

How to Fix the WordPress 'Technical Difficulties' Error After a Plugin Update

The site is experiencing technical difficulties. Please check your site admin email inbox for instructions.
wordpresstroubleshootingfatal-errorphp
wordpressintermediate

Fixing the WordPress REST API 404: How to Resolve 'rest_no_route'

rest_no_route: No route was found matching the URL and request method
wordpressrest-apipermalinksnginx
wordpressintermediate

How to Fix the 'Headers Already Sent' Error in WordPress

Warning: Cannot modify header information - headers already sent by (output started at /home/username/public_html/wp-config.php:1)
wordpressphptroubleshootingwp-config
wordpressintermediate

How to Fix 'Installation failed: Destination folder already exists' in WordPress

Installation failed: Destination folder already exists
wordpresspluginthemesftp
wordpressbeginner

Fix WordPress 'Missing a temporary folder' Error on File and Plugin Uploads

Missing a temporary folder.
wordpressphpuploadtemp-folder
wordpressintermediate

Fixing 'cURL error 28: Connection timed out' in WordPress Site Health

cURL error 28: Connection timed out
wordpresscurltimeoutsite-health
wordpressintermediate

How to Fix the "upload_max_filesize" Error in WordPress

The uploaded file exceeds the upload_max_filesize directive in php.ini
wordpressphp.iniupload_max_filesizeserver-config
wordpressintermediate

How to Fix WordPress 404 Errors When the Homepage Still Works

404 Not Found (Internal pages fail, homepage works)
wordpress404 errorhtaccessnginx
wordpressintermediate

Fixing 'Sorry, you are not allowed to access this page' in WordPress Admin

Sorry, you are not allowed to access this page.
wordpresspermissionsuser-rolescapabilities
wordpressintermediate

Fix: WordPress Asking for FTP Credentials When Installing Plugins

To perform the requested action, WordPress needs to access your web server. Please enter your FTP credentials to proceed.
wordpressftplinux-serverfile-permissions
wordpressintermediate

Fix WordPress Scheduled Posts Stuck in 'Scheduled' Status (wp-cron Disabled)

Scheduled posts remain in 'Scheduled' status and are never published automatically
wordpresswp-cronscheduled-postscron-job
wordpressbeginner

Fix WordPress Stuck in Maintenance Mode: 'Briefly unavailable for scheduled maintenance'

Briefly unavailable for scheduled maintenance. Check back in a minute.
wordpressmaintenanceupdate.maintenance-file
wordpressintermediate

Fix ERR_TOO_MANY_REDIRECTS on WordPress /wp-login.php and /wp-admin

ERR_TOO_MANY_REDIRECTS — This page isn't redirecting properly when accessing /wp-login.php or /wp-admin
wordpresswp-adminredirect-loopcookies
wordpressbeginner

Fix 'The link you followed has expired' Error in WordPress Plugin/Theme Upload

The link you followed has expired. Please try again.
wordpresspluginthemeupload
wordpressintermediate

Fix WordPress "Error establishing a database connection"

Error establishing a database connection
wordpressmysqlwp-config
wordpressbeginner

Fix 'Allowed memory size of X bytes exhausted' Error in WordPress

Fatal error: Allowed memory size of X bytes exhausted (tried to allocate Y bytes) in /path/to/wordpress/wp-includes/class-something.php on line Z
wordpressphpmemoryfatal error
wordpressbeginner

Fix Parse error: syntax error in WordPress PHP Files

Parse error: syntax error, unexpected '}' in /path/to/wordpress/wp-content/plugins/my-plugin/my-plugin.php on line X
wordpressphpsyntax errorparse error
wordpressbeginner

Fix WordPress 500 Internal Server Error: Step-by-Step Guide

500 Internal Server Error
wordpress500htaccessphp
wordpressintermediate

Fixing the WordPress 'Technical Difficulties' White Screen of Death

The site is experiencing technical difficulties
wordpresswsoddebugtroubleshooting