Topics

  • The White Screen of Decease
  • Internal Server Error
  • Error Establishing Database Connection
    • Incorrect wp-config.php Information
    • Problems with Your Web Host
    • Compromised Website
  • Failed Auto-Upgrade
  • Connexion Timed Out
  • Maintenance Style Following Upgrade
  • You Make Changes and Nothing Happens
  • Pretty Permalinks 404 and Images non Working
  • Custom Mail service Type 404 Errors
  • Specific Error Messages
    • PHP Errors
      • Fatal Errors and Warnings
      • Parse errors
      • Utilize of an undefined abiding
    • Database Errors
      • Mistake 13 – Cannot Create/Write to File
      • CREATE Control Denied to User
      • Mistake 28
      • Error 145
      • Unknown Cavalcade
    • Resource

If you are encountering a WordPress mistake message or white screen, don't panic. Someone has probable encountered the same message before and information technology can easily be solved.

This page lists the most mutual WordPress errors experienced by WordPress users, and provides a starting signal for fixing them. At WordPress Back up, you lot will also discover links to more than detailed pages or forums where a volunteer will be there to aid.

The White Screen of Decease

Both PHP errors and database errors tin manifest as a white screen, a bare screen with no information, ordinarily known in the WordPress community every bit the WordPress White Screen of Decease (WSOD).

Before resorting to desperate measures, there are a number of reasons for the WordPress white screen of death:

  • A Plugin is causing compatibility issues. If you can access the Administration Screens effort deactivating all of your Plugins and then reactivating them one by one. If you are unable to access your Screens, log in to your website via FTP. Locate the binder wp-content/plugins and rename the Plugin binder plugins_old. This will deactivate all of your Plugins. You can read more about manually deactivating your plugins in the Troubleshooting FAQ.
  • Your Theme may be causing the trouble. This is especially likely if you are experiencing the white screen of expiry after you have just activated a new Theme, or created a New Site in a WordPress Network. Log in to the WordPress Assistants Screens and activate a default WordPress Theme (eastward.g. Twenty 20-I). If you are using WordPress five.8 and below, please switch to Twenty Twenty-One theme since the Twenty 20-Two theme requires v.9 and above. If you tin't admission your Administration Screens, access your website via FTP and navigate to the /wp-content/themes/ folder. Rename the binder for the agile Theme.

The WP_DEBUG feature often provides additional information.

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Internal Server Error

Internal Server Mistake message

There can be a number of reasons for an Internal Server Error. Hither are some matter y'all can do to solve information technology:

  • The most likely issue is a corrupted .htaccess file. Log in to your site root using FTP and rename your .htaccess file to .htaccess_old. Effort loading your site to run into if this has solved your problem. If it works, make sure to visit Settings > Permalinks and reset your permalinks. This volition generate a new .htaccess file for you.
  • Endeavour deactivating all of your Plugins to encounter if it is a Plugin issue. If y'all are unable to access your WordPress Administration Screens, deactivate your Plugins via FTP by following these instructions.
  • Switch the Theme to a WordPress default Theme (e.g. Twenty Twenty-I) to eliminate any Theme-related problems. If you lot are using WordPress 5.8 and below, please switch to Xx Twenty-Ane theme since the Twenty Twenty-Two theme requires v.9 and in a higher place.
  • Increase the PHP Retentivity limit
  • Try re-uploading the wp-admin and wp-includes folders from a fresh install of WordPress.

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Fault Establishing Database Connection

If yous get a page featuring the message "Error Establishing Database Connection," this means that there is a problem with the connection to your database and there could be a number of reasons for this. The following are possible reasons and solutions.

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Incorrect wp-config.php Information

"Error establishing a database connection" is usually caused by an fault in your wp-config.php file. Access your site in your FTP client. Open wp-config.php and ensure that the following are right:

  • Database name
  • Database username
  • Database countersign
  • Database host

Learn more than almost editing wp-config.php.

If you lot are certain your configuration is correct you could endeavor resetting your MySQL password manually.

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Problems with Your Spider web Host

The next pace is to contact your web host. The post-obit hosting issues may be causing the trouble:

  • Your database has met its quota and has been shut down.
  • The server is down.

Contact your hosting provider to come across if either of these bug is causing your problem.

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Compromised Website

If you lot have checked wp-config.php for errors, and confirmed with your host for hosting bug, it is possible that your site has been hacked.

Scan your site with Sucuri SiteCheck to ensure that information technology hasn't been compromised. If information technology has y'all should check out My Site was Hacked.

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Failed Auto-Upgrade

In that location will exist situations when the WordPress car-update feature fails. Symptoms include:

  • A bare white screen and no information.
  • A alert that the update failed.
  • A PHP fault bulletin.

The WordPress automated upgrade feature may fail due to a glitch in the connection with the master WordPress files, a trouble with your Internet connection during upgrade, or incorrect File Permissions

To update your WordPress site manually, see the Manual Update article.

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Connection Timed Out

The connexion timed out fault appears when your website is trying to do more than your server can manage. It is specially common on shared hosting where your memory limit is restricted. Here are some things you can try:

  • Deactivate all Plugins. If deactivating all the WordPress Plugins on your site resolves the issue, reactivate them one-by-one to see which plugin is causing the trouble. If you are unable to access your Administration Screens, read about how to manually conciliate your plugins.
  • Switch to a default WordPress Theme. If you are using WordPress 5.8 and below, please switch to Twenty Twenty-One theme since the Twenty Xx-Two theme requires 5.9 and to a higher place. This should rule out any Theme-related issues.
  • Increase your memory limit in wp-config.php. If you are on shared hosting y'all may accept to ask your hosting provider to increase your retentivity limit for you.
  • Increase the maximum execution time in your php.ini file. This is not a WordPress cadre file so if you lot are not certain how to edit information technology, contact your hosting provider to inquire them to increment your maximum execution fourth dimension. See below instructions for increasing maximum execution time.

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Maintenance Mode Following Upgrade

When WordPress updates, it automatically installs a .maintenance file. Following upgrade, you may receive a message that says "Briefly unavailable for scheduled maintenance. Please check back in a minute." The maintenance file may non have been removed properly.

To remove this message exercise the post-obit:

  1. Log in to your website using your FTP program
  2. Delete the .maintenance file, which volition be found in your site root.

Read more about the maintenance mode effect.

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Yous Make Changes and Nothing Happens

If yous are making changes to your website and yous do not see the changes in your browser, you may need to clear your browser cache. Your browser stores information about the websites that you visit. This makes information technology faster to load websites when yous visit them because the browser just has to reload information already stored on your computer, rather than downloading it again.

If you make a change to a website and the browser does not call back it is significant, it will merely load the data from your cache, and you won't run into your changes. To fix the problem, simply empty your browser cache or close the tab and reopen the link.

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If yous are experiencing 404 errors with pretty permalinks and a white screen when y'all upload images, mod_rewrite may not be enabled in Apache by default. Mod_rewrite is an extension module of the Apache web server software which allows for "rewriting" of URLs on-the-wing. It's what you lot demand to make pretty permalinks work.

WordPress Multisite networks normally experience this but it can as well occur on shared hosting providers or later on a site migration or server move.

Reset your permalinks through Settings > Permalinks. If this does not piece of work, you may have to edit the .htaccess file manually.

# Brainstorm WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^alphabetize\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /alphabetize.php [L]
</IfModule>
# Cease WordPress

If you are not familiar with editing your .htaccess file, contact your hosting provider to ask them to turn on mod_rewrite rules. There is more information on pretty permalinks in the WordPress Codex.

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Custom Post Type 404 Errors

You may experience bug with 404 errors and custom mail service types. Try the following steps:

  1. Brand sure that none of your Custom Post Types and single pages have the same name. If they practise, rename the single page, including the slug.
  2. Log in to your WordPress Assistants Screens, navigate to Settings > Permalinks. Select the default permalinks. Salve. Then reselect your preferred permalinks. This volition flush the rewrite rules and should solve your problem.

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Specific Fault Messages

In that location are a number of different errors that will announced in your fault logs. To access your error logs you will demand to turn on debugging and so locate your error log via FTP. The post-obit information will help you to decipher some of the common mistake letters.

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PHP Errors

Below are some common PHP error letters.

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Fatal Errors and Warnings

If you lot receive a warning that WordPress cannot modify header information and headers are already sent, it usually means that you take spaces or characters before the opening tags or subsequently the endmost tags. Read how to fix the headers already sent error.

If you are experiencing this problem when you take only installed WordPress you may have introduced a syntax error into wp-config.php. These instructions volition help y'all to fix the error.

Call to undefined role

An fault reading call to undefined function could mean that a WordPress Plugin is trying to find a file or data which isn't present or accessible in the code. Reasons for this include:

  • An error when trying to auto-install or auto-upgrade a Plugin. Try installing or upgrading the Plugin manually.
  • An error when trying to auto-install or automobile-upgrade a Theme. Effort installing or upgrading the Theme manually.
  • You may exist using an incompatible WordPress Plugin or incompatible Theme. This could happen with older versions of WordPress and a new WordPress Plugin, or if you lot are trying to use a WordPress Multisite Plugin on a single site installation. Upgrade WordPress to resolve this issue.
  • You lot may exist trying to call a function that doesn't be. Bank check functions.php for misspellings.

Attempt deactivating the WordPress Plugin or changing the WordPress Theme that caused the error to appear. If you are unable to do this from inside the Administration Screens, you may have to practise this manually via FTP.

Allowed memory size exhausted

An Allowed Memory Size Exhausted mistake ways that your WordPress installation doesn't have enough memory to achieve what yous desire. You can try out the following steps:

  • Increment your retention limit in wp-config.php
  • Increase your memory limit past editing php.ini. This is non a file that comes with WordPress and so if yous are unfamiliar with it you should contact your web host nigh increasing your memory limit.
Maximum execution time exceeded

Y'all may receive a bulletin such equally "Maximum execution time of 30 seconds exceeded" or "Maximum execution time of 60 seconds exceeded". This ways that it is taking to longer for a process to consummate and it is timing out. There are a number of ways to ready this mistake.

Editing .htaccess

Make sure you support .htaccess before yous edit it.

Add together the post-obit line to .htaccess:

php_value max_execution_time sixty

Editing php.ini

Add the following to php.ini 

max_execution_time = sixty

If you are unsure of how to make these changes, or if you are on shared hosting that prevents you from making them yourself, you should contact your hosting provider and inquire them to increase your maximum execution time.

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Parse errors

Syntax Error

A syntax error means that you take made a mistake while creating your PHP construction. Y'all could, for example, be;

  • Missing a ; at the end of an individual line.
  • Using curly quotation marks.
  • Missing a curly bracket.

When this error appears information technology volition tell you which file the error appears in (functions.php for instance) and approximately which line (it may not always exist the exact line so be sure to check simply before and just after) in the code.

Unexpected

If you are receiving an error which says 'parse mistake: unexpected' this usually means that you lot have forgotten to include a grapheme. The most common are:

  • Unexpected '=' : you lot take forgotten to include the $ when referencing a variable
  • Unexpected ')' : you lot have forgotten to include the opening subclass (
  • Unexpected '(' : you have forgotten to include the closing bracket )
  • Unexpected T_STRING: yous have forgotten a quotation mark or a semi-colon at the end of the previous line
  • Unexpected T_ELSE: you lot accept an else statement with no opening if statement

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Utilize of an undefined constant

As with parse errors, "apply of an undefined constant" means that yous are missing a character. It could exist one of the post-obit:

  • Missing a $ when referencing a viariable
  • Missing quotation marks effectually array keys

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Database Errors

The following errors may appear in relation to your WordPress database.

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Error 13 – Cannot Create/Write to File

At that place are a number of reasons why you may be experiencing this mistake.

MySQL cannot create a temporary file.

The MySQL variable tmpdir is gear up to a directory that cannot be written to when using PHP to access MySQL. To verify this, enter MySQL at the command line and type show variables. You'll get a long list and i of them will read: tmpdir = /somedir/ (any your setting is.)

To solve this, alter the tmpdir variable to point to a writable directory.

  1. Observe the my.cnf file. On *nix systems this is usually in /etc/. On Windows organization, Notice the my.ini.
  2. One time institute, open this in a simple text editor and find the [mysqld] section.
  3. Nether this department, find the tmpdir line. If this line is commented (has a # at the outset), delete the # and edit the line so that it reads: tmpdir = /writable/dir where /writable/dir is a directory to which yous tin write. Some employ /tmp, or you lot might also effort /var/tmp or /usr/tmp. On Windows, use C:/Windows/tmp.
  4. Relieve the file.
  5. Shutdown MySQL by typing mysqlshutdown -u -p shutdown.
  6. Kickoff MySQL by going to the MySQL directory and typing ./bin/safe_mysqld &. Usually the MySQL directory is in /usr/local or sometimes in /usr/ on Linux systems.

The file permissions are incorrect

Right the File Permissions.

If none of this make sense and y'all take someone to administrate your organisation for you, bear witness the to a higher place to them and they should exist able to figure information technology out.

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CREATE Command Denied to User

This error occurs when the user assigned to the database does non have adequate permissions to perform the activeness to create columns and tables in the database. You lot will need to log in to CPanel or Plesk to requite your database user adequate permissions.

Alternatively you can create a new user to assign to your database. If you lot do create a new user you volition need to ensure that it is updated in wp-config.php.

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Fault 28

It could be because:

  • yous are out of space on /tmp (wherever tmpdir is), or,
  • you lot take likewise many files in /tmp (even if there is lots of free space), or,
  • Your cache on your server is full

This is a MySQL fault and has nothing to do with WordPress directly; you should contact your host about it. Some users have reported that running a "repair table" control in phpMyAdmin fixed the problem.

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Error 145

This indicates that a tabular array in your database is damaged or corrupted. If y'all are comfortable using phpMyAdmin you can use these instructions on repairing your MySQL database tables.

Always fill-in your database before performing any actions on it.

If you lot have non used phpMyAdmin before, or are uncomfortable doing then, contact your web host and ask them to run Bank check/REPAIR on your database.

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Unknown Column

An unknown column error can exist caused past a missing cavalcade in the database. If yous take merely upgraded WordPress and then endeavor manually upgrading once again. To update your WordPress site manually, run across the Update article.

If you are running a database query when you encounter the error then you may by using wrong quotation marks for the identifier quote character. This question on Stack Overflow provides more than details. Also see the MySQL documentation.

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Resource

  • MySQL Error Codes and Messages