Notice: Constant WC_POS_PLUGIN_FILE already defined in /home/monprinc/public_html/wp-content/plugins/woocommerce-pos/woocommerce-pos.php on line 33

Fatal error: Cannot declare class WC_POS, because the name is already in use in /home/monprinc/public_html/wp-content/plugins/woocommerce-pos/includes/class-wc-pos.php on line 12