Associating two scrappers

I need to scrap a property website. I can recover all data except realtor's mail. When I scrap the broker's data individually, it runs smoothly. But when I associate both scrappers, it doesn't work.
Thanks por help.

{"_id":"version1","startUrl":["http://buscador.reporteinmobiliario.com/s/Lobos--Buenos-Aires--Argentina?operacion[]=Alquiler&propiedad[]=1&propiedad[]=9"],"selectors":[{"id":"list","type":"SelectorElement","selector":"li.search-result","parentSelectors":["_root"],"multiple":true,"delay":0},{"id":"link","type":"SelectorLink","selector":"a.listing-name","parentSelectors":["list"],"multiple":false,"delay":0},{"id":"value","type":"SelectorText","selector":"span.shift","parentSelectors":["list"],"multiple":false,"regex":"","delay":0},{"id":"title","type":"SelectorText","selector":"h1.titulopub","parentSelectors":["link"],"multiple":false,"regex":"","delay":0},{"id":"realtor","type":"SelectorLink","selector":"div.media-body.visible-lg a.h5","parentSelectors":["link"],"multiple":false,"delay":0}]}

{"_id":"version_2","startUrl":["http://buscador.reporteinmobiliario.com/propiedad/585150-local-en-alquiler-lobos.html"],"selectors":[{"id":"realtor","type":"SelectorLink","selector":"div.media-body.visible-lg a.h5","parentSelectors":["_root"],"multiple":false,"delay":0},{"id":"mail","type":"SelectorText","selector":"li.list-group-item:nth-of-type(2)","parentSelectors":["realtor"],"multiple":false,"regex":"","delay":0}]}