Fatal error: Uncaught Error: Call to undefined function wp_is_rest_endpoint() in /home/iabtours/public_html/wp-content/plugins/woocommerce/includes/class-wc-rest-authentication.php:77 Stack trace: #0 /home/iabtours/public_html/wp-content/plugins/woocommerce/includes/class-wc-rest-authentication.php(208): WC_REST_Authentication->is_request_to_rest_api() #1 /home/iabtours/public_html/wp-includes/class-wp-hook.php(310): WC_REST_Authentication->authenticate(NULL) #2 /home/iabtours/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters(NULL, Array) #3 /home/iabtours/public_html/wp-includes/user.php(3622): apply_filters('determine_curre...', false) #4 /home/iabtours/public_html/wp-includes/pluggable.php(70): _wp_get_current_user() #5 /home/iabtours/public_html/wp-includes/capabilities.php(877): wp_get_current_user() #6 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Admin/Features/Features.php(671): current_user_can('manage_woocomme...') #7 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Admin/Features/Features.php(174): Automattic\WooCommerce\Admin\Features\Features::should_load_features() #8 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Admin/Features/Features.php(162): Automattic\WooCommerce\Admin\Features\Features->__construct() #9 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/Loader.php(65): Automattic\WooCommerce\Admin\Features\Features::get_instance() #10 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/Loader.php(55): Automattic\WooCommerce\Internal\Admin\Loader->__construct() #11 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/FeaturePlugin.php(215): Automattic\WooCommerce\Internal\Admin\Loader::get_instance() #12 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/FeaturePlugin.php(109): Automattic\WooCommerce\Internal\Admin\FeaturePlugin->hooks() #13 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Internal/Admin/FeaturePlugin.php(93): Automattic\WooCommerce\Internal\Admin\FeaturePlugin->on_plugins_loaded() #14 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Admin/Composer/Package.php(65): Automattic\WooCommerce\Internal\Admin\FeaturePlugin->init() #15 [internal function]: Automattic\WooCommerce\Admin\Composer\Package::init() #16 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Packages.php(301): call_user_func(Array) #17 /home/iabtours/public_html/wp-content/plugins/woocommerce/src/Packages.php(90): Automattic\WooCommerce\Packages::initialize_packages() #18 /home/iabtours/public_html/wp-includes/class-wp-hook.php(310): Automattic\WooCommerce\Packages::on_init('') #19 /home/iabtours/public_html/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array) #20 /home/iabtours/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #21 /home/iabtours/public_html/wp-settings.php(495): do_action('plugins_loaded') #22 /home/iabtours/public_html/wp-config.php(80): require_once('/home/iabtours/...') #23 /home/iabtours/public_html/wp-load.php(50): require_once('/home/iabtours/...') #24 /home/iabtours/public_html/wp-blog-header.php(13): require_once('/home/iabtours/...') #25 /home/iabtours/public_html/index.php(17): require('/home/iabtours/...') #26 {main} thrown in /home/iabtours/public_html/wp-content/plugins/woocommerce/includes/class-wc-rest-authentication.php on line 77