How to fix Fatal error: Uncaught Error: Call to undefined function wp_is_development_mode()

The error message is a PHP fatal error, which occurs when the PHP interpreter encounters a situation it can’t recover from. In this case, the error is due to a call to an undefined function wp_is_development_mode() within the wp-includes/global-styles-and-settings.php file on line 394. Here’s a breakdown of the error: How to Fix: Remember, always backup…

Fix fatal error: Uncaught Error: [] operator not supported for strings in wordpress site

The error message you’re encountering, “fatal error: Uncaught Error: [] operator not supported for strings,” typically occurs in PHP when you attempt to use the array access operator ([]) on a string variable. In most cases, this indicates that you are trying to access a specific character or element of a string as if it…

How to fix Fatal error: Cannot use ::class with dynamic class name in wordpress site

The error message you are encountering, “Fatal error: Cannot use ::class with a dynamic class name,” occurs when you try to use the ::class notation with a dynamically generated class name. This issue is not specific to WordPress; it is a limitation in PHP when trying to use the ::class feature with a variable. The…

Fix PHP Fatal error: Uncaught Error: Class “WpAssetCleanUp\ObjectCache” not found

PHP Fatal error: Uncaught Error: Class “WpAssetCleanUp\ObjectCache” not found in wp-content/plugins/wp-asset-clean-up/wpacu-load.php:31 The error message you’re encountering suggests that the PHP script is trying to instantiate or access a class named “WpAssetCleanUp\ObjectCache” but cannot find it. This error typically occurs when a required class is missing or not properly included in the code. To resolve this…

Fix Call to undefined method WCS_Staging::is_duplicate_site()

Fatal error: Uncaught Error: Call to undefined method WCS_Staging::is_duplicate_site() in /wp-content/plugins/woocommerce-payments/includes/subscriptions/class-wc-payments-subscriptions.php:132 The error message you’re seeing indicates that there is an undefined method called is_duplicate_site() being called in the file class-wc-payments-subscriptions.php at line 132. This error is typically caused by a compatibility issue between different plugins or a problem with the WooCommerce Payments plugin itself….

Fix PHP Fatal error: Attempt to assign property “translations” on null

PHP Fatal error: Attempt to assign property “translations” on null in wp-content/plugins/woocommerce/includes/admin/helper/class-wc-helper-updater.php:81 The PHP Fatal error you’re encountering indicates that there is an issue with the WooCommerce plugin’s helper updater class file at wp-content/plugins/woocommerce/includes/admin/helper/class-wc-helper-updater.php on line 81. Specifically, it seems that an attempt is being made to assign a property called “translations” on a null…

PHP Fatal error: Uncaught Error: Call to undefined function wp_kses_normalize_entities() in wordpress

wp_kses_normalize_entities() is a WordPress core function that is responsible for normalizing entities in user-submitted content. It ensures that HTML entities are properly formatted and conform to standard specifications. This function is commonly used to sanitize and filter user input to prevent potential security vulnerabilities, such as cross-site scripting (XSS) attacks. The wp_kses_normalize_entities() function is located…