Pest Cause 1 Fatal Error Or Trigger 128 Warnings In The Editor

[Kayleigh Telega]

ImportantBefore trying to fix any WordPress error, make sure that you have a complete WordPress backup. You can use the Duplicator plugin or use this tutorial to manually create a WordPress backup.

You can also hire experts to fix a WordPress error for you. At WPBeginner Pro Services, we offer affordable Emergency WordPress Support to quickly and reliably resolve WordPress issues like plugin errors, image issues, broken links, theme errors, and much more.

This error usually appears when there is something wrong, but the server is unable to identify where the problem is. Since the error message does not indicate where you should look for the error, it is pretty much up to you to figure this out.

This error usually occurs when you are trying to add code snippets into WordPress and have accidentally missed something or the code has incorrect syntax. This will result into a PHP parse error and you will see a notice like:

The error message would indicate the unexpected thing found in the code and the location of the script where the error occurred with line number. To fix this issue you will have to correct the syntax. Most of the time it is a missing bracket, or some unexpected character in the code. [Fix syntax error in WordPress]

Usually this occurs when a user has entered or modified their database credentials (database host, database username, and database password) incorrectly. Sometimes your database server could be unresponsive, or your database may have corrupted.

Most of the time it is caused when a script exhausts PHP memory limit. It can also happen due to a configuration on the server. It is also possible that a user would only see white screen of death on certain sections of their site. [See how to fix WordPress white screen of death]

The user can browse all other sections of their site including the admin area. The most common cause of this issue is permalink settings in WordPress. To solve this issue a user would need to reconfigure their permalinks settings or manually update their rewrite rules. [Fix WordPress posts returning 404 error]

Sometimes when users are adding code snippets to their site, they may accidentally forget to close an html div tag or add an extra closing div which may result into breaking the theme layout. Another common cause is using disproportionate width in CSS or not clearing float properly. [Fix sidebar appearing below content error in WordPress]

This problem may occur when concatenated JavaScript is not working. It may also caused by missing or corrupt TinyMCE files, or conflict with some other plugin that modifies or extends the TinyMCE shipped with WordPress. [Fix white text and missing buttons in WordPress visual editor]

A plugin or code that incorrectly tries to make some changes into admin section can also lock you out. You may also lose access to admin area due to a hacked WordPress site. [Fix locked out of WordPress admin issue]

Most of the time it happens due to incorrect values for site url and home url fields in WordPress options table. It can also be caused by poorly configured permalink settings or redirects setup in the .htaccess file. [Fix WordPress login page refreshing and redirecting issue]

Sometimes a user would suddenly notice that all the images from their site are gone and are showing broken image placeholders. When the user tries to upload an image to a post using the media uploader, it results into an error.

All these files in the media library will appear as broken. This error occurs due to incorrect file and directory permissions in a WordPress installation. A number of factors may cause this issue. [Fix image upload issues in WordPress]

Nonce are special security keys which may be appended to URLs when performing an admin action in WordPress. Sometimes a plugin or theme may use it incorrectly which may result into users seeing this error. [Fix are you sure you want to do this error in WordPress]

What happens there is that WordPress puts your site in maintenance mode during an update. If for some reason the update is interrupted, then WordPress does not get the chance to put your site out of the maintenance mode. This error would lock down your entire site and make it unavailable for admins as well as visitors. [Fix briefly unavailable for scheduled maintenance error]

There are different scenarios when you can see this error. Incorrect file permissions, poorly coded security plugins, or server configuration are the most common culprits. [Fix 403 Forbidden error in WordPress]

This error usually occurs due to a misconfigured redirection issue. As you know that WordPress has SEO friendly URL Structure which uses the redirect function. Several other popular WordPress plugins also use the redirect functionality as well.

Each file and folder on your website has a set of permissions. Your web server controls access to the files based on these permissions. Incorrect permissions to a folder can take away your ability to write files on server. This means your web server cannot create or add new files to that particular folder. [Fix Upload: Failed to write file to disk error]

Google marks a website with this warning if they find any suspicious code that could be a malware or trojan. Sometimes the reason for this is that your website is hacked and is now used to distribute malicious code.

Another common reason for this error is showing ads from low quality advertising networks. These networks may sometime display ads linking to websites distributing malicious code. [Fix site ahead contains harmful programs error in WordPress]

However, sometimes WordPress can miss scheduled posts due to a number of reasons. If this has happened to you more than a few times then you need to address this issue. [Fix missed schedule post error in WordPress]

Some WordPress hosting providers have set this value to a higher level while others may have set it to a lower level. When a script reaches the maximum execution time limit, it results into maximum execution time exceeded error. [Fix maximum execution time exceeded error in WordPress]

There are many reasons that can prevent Facebook from correctly guessing the right thumbnail image. One of the most common reason is having multiple images set in the og:image tag where your featured image is smaller than rest of the images.

Facebook uses Open Graph (og) tags, and plugins like All in One SEO and Yoast SEO automatically add them to your site to prevent missing thumbnail issue. [Fix Facebook incorrect thumbnail issue in WordPress]

WordPress sets a cookie in your browser to authenticate a login session. This cookie is set for the WordPress URL stored in your settings section. If you are accessing from a URL that does not match the one in your WordPress settings, then WordPress will not be able to authenticate your session. [Fix WordPress keeps logging out problem]

Basically, on an SSL enabled website all resources should be loaded using an HTTPs URL. Your site may have content with HTTP URLs, or a plugin or theme may be loading a file with HTTP. This causes the mixed content error as those resources are not loaded using a secure protocol.

To fix this, you need to find out which resources are loaded insecurely, and then fix their URLs. You can do this with a plugin or you can do this manually as well. [Fix mixed content errors in WordPress]

This delay can be a temporary glitch caused by high traffic. It could also be caused by a poorly coded WordPress theme or plugin. Last but not least, a server misconfiguration can also produce this error. [Fix 502 bad gateway error in WordPress]

The error message can be different, depending on where the error is triggered in the code and what caused it. In each instance, failed to open stream phrase would be followed by a reason. For example, permission denied, no such file or directory, operation failed, and more. [Fix the WordPress failed to open stream error]

Normally, most WordPress hosting companies have their servers configured, so that WordPress users can easily upload large images and other media. However, sometimes this setting is not high enough to upload large theme or plugin files.

It would also stop you from uploading large files in the media library. In that case, you will see a different message, clearly stating that the file size exceeds maximum allowed limit. [Fix 414 request entity too large error in WordPress]

Your WordPress site may sometimes show errors and warnings inside WordPress admin area or your website. These errors do not stop WordPress from displaying your website. They are helpful in debugging issues but your website will look really unprofessional if it is showing these errors on the front-end.

WordPress comes with easy configuration tricks to control PHP errors and how they are displayed or logged on your website. You just need to turm them off and PHP errors will disappear from your site. [Fix PHP Errors in WordPress]

WordPress comes with an updates management system which regularly checks for available updates on WordPress.org website. Your website may fail to connect with WordPress.org website, due to a misconfiguration on your hosting server, which will cause the secure connection error.

It is caused by the lack of disk space on your WordPress hosting account. Since there is no more disk space, WordPress fails to save new data into the database. The easy way to fix this is to simply delete a few unnecessary files from your website. [Fix password reset key error in WordPress]

Pluggable.php file contains some core WordPress functions that users and developers can override in their own code. However, if a WordPress plugin or a custom code snippet fails to correctly handle one of these functions, then you will see an error like this one:

Sometimes you would be able to continue working on your site despite the error, sometimes the error would be fatal and make your site completely inaccessible. [Fix pluggable.php file errors in WordPress]

The easiest way to fix this is to ask your WordPress hosting provider to properly install your SSL certificate. For more details and other errors caused by SSL misconfiguration, see our guide on how to fix common SSL issues in WordPress.

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