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WP_Error Class WordPress Developer Resources

    https://developer.wordpress.org/reference/classes/wp_error/
    WP_Error is a class that makes error handling within plugins and WordPress itself much easier. Instances of WP_Error store error codes and messages representing one or more errors, and whether or not a variable is an instance of WP_Error can be determined using the is_wp_error () function.

is_wp_error() Function WordPress Developer Resources

    https://developer.wordpress.org/reference/functions/is_wp_error/
    450 rows · function is_wp_error ( $thing ) {. $is_wp_error = ( $thing instanceof WP_Error ); if ( …

Common WordPress Errors WordPress.org

    https://wordpress.org/support/article/common-wordpress-errors/
    An error 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.

How to fix WordPress critical error • WordPress Help Blog

    https://wphelp.blog/how-to-fix-wordpress-critical-error/
    In order to be able to analyze possible errors and, from there, determine what is causing the critical WordPress errors, the next thing I recommend you to do is to enable WordPress debug mode. To do this open the wp-config.php file and add the following:

Error 500 on wp-admin WordPress.org

    https://wordpress.org/support/topic/error-500-on-wp-admin/
    Errors like this are logged. Check the error log on your server. If you can’t find the log, please contact your host. Meantime, enable wp_debug and wp_debug_log and after an error, look at wp-content/debug.log to see if anything gets logged there. https://codex.wordpress.org/Debugging_in_WordPress

How to Fix the 500 Internal Server Error in WordPress ...

    https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-internal-server-error-in-wordpress/
    Internal server error in WordPress is often caused by plugin or theme functions. Other possible causes of internal server error in WordPress that we know of are: corrupted.htaccess file and PHP memory limit. We have also heard internal server error only showing up when you are trying to access the admin area while the rest of the site works fine.

How to Turn Off PHP Errors in WordPress - WPBeginner

    https://www.wpbeginner.com/wp-tutorials/how-to-turn-off-php-errors-in-wordpress/
    Nov 27, 2017 · Inside your wp-config.php file, look for the following line: 1. define ('WP_DEBUG', true); It is also possible, that this line is already set to false. In that case, you’ll see the following code: 1. define ('WP_DEBUG', false); In either case, you need to replace this line with the following code: 1.

How To Fix "Failed To Load Resource" Error In WordPress

    https://www.wpbeginner.com/wp-tutorials/how-to-fix-failed-to-load-resource-error-in-wordpress/
    Jul 09, 2019 · Are you seeing “Failed to load resource error” in WordPress or your browser’s inspect tool? Many WordPress users find it difficult to figure out what resource or file is not loading, and more importantly why is it not loading correctly.
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