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Hey Ignacio, It looks like you were able to get a campaign created with out the www, but I did some investigating to make sure there wasn't an issue with www.veinguys.com. I also received the invalid URL error the first time I attempted to create a campaign for the site, but the second time just a minute later, I was able to create a campaign for www.veinguys.com with no error. It seems the site may be having intermittent issues with response time. I would recommend contacting the webmaster and looking into the server logs to see what may be causing a long response time for the site. I hope this information helps. Please let me know if you need any further assistance. Chiaryn