Notice: Undefined index: RM in mkrapel-cl-states-places.php on line 137

Estimados, muchas gracias por su plugin, ha sido de gran utilidad. Sobre todo por la función “Envíos CL”.

Me había funcionado fantástico, pero ahora me envío ese error y revisé el archivo y aparentemente no tiene algo defectuoso.

Notice: Undefined index: RM in /home/XXX/public_html/wp-content/plugins/wc-ciudades-y-regiones-de-chile/classes/mkrapel-cl-states-places.php on line 137

<?php
/**
 * Obtención de las Regiones y Ciudades
 * @link       https://marketingrapel.cl
 * @since      1.0.0
 * @package    wc-ciudades-y-regiones-de-chile
 * @subpackage wc-ciudades-y-regiones-de-chile/classes
 */
 
class MkRapel_Region_Ciudad_CL {
	const VERSION = '1.1.29';
	private static $places;

	/* Construct class */
	public static $file;
	public static $plugin_path;
	public static $plugin_url;
	public function __construct($file) {
		self::$file = $file;
		add_action( 'plugins_loaded', array( $this, 'init') );
	}
	
	/* WC init */
	public function init() {
		$this->init_states();
		$this->	init_places();
	}
	
	/* WC States init */
	public function init_states() {
		add_filter('woocommerce_states', array($this, 'wc_states'));
	}
	
	/* WC States init */
	public function init_places() {
		add_filter( 'woocommerce_billing_fields', array( $this, 'wc_billing_fields' ), 10, 2 );
		add_filter( 'woocommerce_shipping_fields', array( $this, 'wc_shipping_fields' ), 10, 2 );
		add_filter( 'woocommerce_form_field_city', array( $this, 'wc_form_field_city' ), 10, 4 );
		add_action( 'wp_enqueue_scripts', array( $this, 'load_scripts' ) );
	}
	
	/*
	* Implement WC States
	* @param mixed $states
	* @return mixed
	*/
	public function  wc_states($states) {
		//get countries allowed by store owner
		$allowed = self::get_store_allowed_countries();

		if (!empty( $allowed ) ) {
			foreach ($allowed as $code => $country) {
				if (! isset( $states[$code] ) && file_exists(self::get_plugin_path() . '/states/' . $code . '.php')) {
					include(self::get_plugin_path() . '/states/' . $code . '.php');
				}
			}
		}
		return $states;
	}

	/**
	* Modify billing field
	* @param mixed $fields
	* @param mixed $country
	* @return mixed
	*/
	public function wc_billing_fields( $fields, $country ) {
		$fields['billing_city']['type'] = 'city';
		return $fields;
	}

	/**
	* Modify shipping field
	* @param mixed $fields
	* @param mixed $country
	* @return mixed
	*/
	public function wc_shipping_fields( $fields, $country ) {
		$fields['shipping_city']['type'] = 'city';
		return $fields;
	}
	
	/**
	* Implement places/city field
	* @param mixed $field
	* @param string $key
	* @param mixed $args
	* @param string $value
	* @return mixed
	*/
	public function wc_form_field_city($field, $key, $args, $value ) {
		// Do we need a clear div?
		if ( ( ! empty( $args['clear'] ) ) ) { $after = '<div class="clear"></div>'; } 
		else { $after = ''; }

		// Required markup
		if ( $args['required'] ) {
			$args['class'][] = 'validate-required';
			$required = ' <abbr class="required" title="' . esc_attr__( 'requerido', 'woocommerce'  ) . '">*</abbr>';
		} 
		else { $required = ''; }

		// Custom attribute handling
		$custom_attributes = array();

		if ( ! empty( $args['custom_attributes'] ) && is_array( $args['custom_attributes'] ) ) {
			foreach ( $args['custom_attributes'] as $attribute => $attribute_value ) {
				$custom_attributes[] = esc_attr( $attribute ) . '="' . esc_attr( $attribute_value ) . '"';
			}
		}

		// Validate classes
		if ( ! empty( $args['validate'] ) ) {
			foreach( $args['validate'] as $validate ) {
				$args['class'][] = 'validate-' . $validate;
			}
		}

		// field p and label
		$field  = '<p class="form-row ' . esc_attr( implode( ' ', $args['class'] ) ) .'" data-priority="'.esc_attr__($args['priority']).'"  id="' . esc_attr( $args['id'] ) . '_field">';
		if ( $args['label'] ) {
			$field .= '<label for="' . esc_attr( $args['id'] ) . '" class="' . esc_attr( implode( ' ', $args['label_class'] ) ) .'">' . $args['label']. $required . '</label>';
		}

		// Get Country
		$country_key = $key == 'billing_city' ? 'billing_country' : 'shipping_country';
		$current_cc  = WC()->checkout->get_value( $country_key );
		$state_key = $key == 'billing_city' ? 'billing_state' : 'shipping_state';
		$current_sc  = WC()->checkout->get_value( $state_key );

		// Get country places
		$places = self::get_places( $current_cc );
		if ( is_array( $places ) ) {
			$field .= '<select name="' . esc_attr( $key ) . '" id="' . esc_attr( $args['id'] ) . '" class="city_select ' . esc_attr( implode( ' ', $args['input_class'] ) ) .'" ' . implode( ' ', $custom_attributes ) . ' placeholder="' . esc_attr( $args['placeholder'] ) . '">';
			$field .= '<option value="">'. __( 'Seleciona una opción&hellip;', 'woocommerce' ) .'</option>';
			if ( $current_sc ) {
				$dropdown_places = $places[ $current_sc ];
			} 
			else if ( is_array($places) &&  isset($places[0])) {
				$dropdown_places = array_reduce( $places, 'array_merge', array() );
				sort( $dropdown_places );
			} 
			else { 
				$dropdown_places = $places;
			}
			if (is_array( $dropdown_places )) {
				foreach ( $dropdown_places as $city_name ) {
					if(!is_array($city_name)) {
						$field .= '<option value="' . esc_attr( $city_name ) . '" '.selected( $value, $city_name, false ) . '>' . $city_name .'</option>';
					}
				}
			}
			$field .= '</select>';
		} else {
			$field .= '<input type="text" class="input-text ' . esc_attr( implode( ' ', $args['input_class'] ) ) .'" value="' . esc_attr( $value ) . '"  placeholder="' . esc_attr( $args['placeholder'] ) . '" name="' . esc_attr( $key ) . '" id="' . esc_attr( $args['id'] ) . '" ' . implode( ' ', $custom_attributes ) . ' />';
		}

		// field description and close wrapper
		if ( $args['description'] ) {
			$field .= '<span class="description">' . esc_attr( $args['description'] ) . '</span>';
		}
		$field .= '</p>' . $after;
		return $field;
	}
	
	/**
	* Get places
	* @param string $p_code(default:)
	* @return mixed
	*/
	public static function get_places( $p_code = null ) {
		if ( empty( self::$places ) ) { self::load_country_places(); }
		if ( ! is_null( $p_code ) ) {
			return isset( self::$places[ $p_code ] ) ? self::$places[ $p_code ] : false;
		} else {
			return self::$places;
		}
	}
	
	/* Get country places */
	public static function load_country_places() {
		global $places;
		$allowed = self::get_store_allowed_countries();
		if ( $allowed ) {
			foreach ( $allowed as $code => $country ) {
				if ( ! isset( $places[ $code ] ) && file_exists( self::get_plugin_path() . '/places/' . $code . '.php' ) ) {
					include( self::get_plugin_path() . '/places/' . $code . '.php' );
				}
			}
		}
		self::$places = $places;
	}
	
	/* Load scripts */
	public function load_scripts() {
		if ( is_cart() || is_checkout() || is_wc_endpoint_url( 'edit-address' ) ) {
			$city_select_path = self::get_plugin_url() . 'assets/js/mkrapel-cl-place-select.js';
			wp_enqueue_script( 'wc-city-select', $city_select_path, array( 'jquery', 'woocommerce' ), self::VERSION, true );
			$places = json_encode( self::get_places() );
			wp_localize_script( 'wc-city-select', 'wc_city_select_params', array(
				'cities' => $places,
				'i18n_select_city_text' => esc_attr__( 'Selecciona una opción&hellip;', 'woocommerce' )
			) );
		}
	}
	
	/**
	* Get plugin root path
	* @return mixed
	*/
	private static function get_plugin_path() {
		if (isset(self::$plugin_path)) { return self::$plugin_path; }
		$path = self::$plugin_path = plugin_dir_path( self::$file );
		return untrailingslashit($path);
	}
	
	/**
	* Get Store allowed countries
	* @return mixed
	*/
	private static function get_store_allowed_countries() {
		return array_merge( WC()->countries->get_allowed_countries(), WC()->countries->get_shipping_countries() );
	}
	
	/**
	* Get plugin url
	* @return mixed
	*/
	public function get_plugin_url() {
		if (isset(self::$plugin_url)) {
			return self::$plugin_url;
		}
		return self::$plugin_url = plugin_dir_url( self::$file );
	}
}

quedo atento.

Muchas gracias!