warning message in view map when OL WKT field has more then 1 value option

When more then one value can be assigned to a OL WKT field in a content type I get this warning message six times in the view displaying the map:
warning: Invalid argument supplied for foreach() in /var/alternc/html/a/xxxxxx/yyyyy/sites/all/modules/openlayers/modules/openlayers_views/views/openlayers_views_style_map.inc on line 396.

here is an example:http:// www.afectadosambientales.org/planeta