SELENIUM_HOST Null error when launching Sauce Connect

I'm trying to run Safari and ipad autobuilds that use the Sauce onDemand Plugin. I'm leaving the SELENIUM_HOST and SELENIUM_PORT fields blank but getting the following error. Almost identical configuration is working for other browsers such as Chrome and Firefox. The console output advised me

Re: SELENIUM_HOST Null error when launching Sauce Connect

Ah looks like upgrading the Sauce onDemand Plugin from 1.27 -- 1.30 fixed the issue. On Tuesday, November 6, 2012 4:07:04 PM UTC-8, Trevor wrote: I'm trying to run Safari and ipad autobuilds that use the Sauce onDemand Plugin. I'm leaving the SELENIUM_HOST and SELENIUM_PORT fields blank but