Fatal error: Uncaught Error: Call to undefined function is_existing_classic_user() in /home/eokrrrmy/public_html/wp-content/plugins/woo-paypal-gateway/includes/class-woo-paypal-gateway.php:169 Stack trace: #0 /home/eokrrrmy/public_html/wp-content/plugins/woo-paypal-gateway/includes/class-woo-paypal-gateway.php(68): Woo_Paypal_Gateway->define_admin_hooks() #1 /home/eokrrrmy/public_html/wp-content/plugins/woo-paypal-gateway/woo-paypal-gateway.php(91): Woo_Paypal_Gateway->__construct() #2 /home/eokrrrmy/public_html/wp-content/plugins/woo-paypal-gateway/woo-paypal-gateway.php(99): run_woo_paypal_gateway() #3 /home/eokrrrmy/public_html/wp-includes/class-wp-hook.php(324): init_wpg_woo_paypal_gateway_class('') #4 /home/eokrrrmy/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #5 /home/eokrrrmy/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 /home/eokrrrmy/public_html/wp-settings.php(559): do_action('plugins_loaded') #7 /home/eokrrrmy/public_html/wp-config.php(104): require_once('/home/eokrrrmy/...') #8 /home/eokrrrmy/public_html/wp-load.php(50): require_once('/home/eokrrrmy/...') #9 /home/eokrrrmy/public_html/wp-blog-header.php(13): require_once('/home/eokrrrmy/...') #10 /home/eokrrrmy/public_html/index.php(17): require('/home/eokrrrmy/...') #11 {main} thrown in /home/eokrrrmy/public_html/wp-content/plugins/woo-paypal-gateway/includes/class-woo-paypal-gateway.php on line 169