Over the weekend, I took the latest copy of Sproutcore Abbot build tools following the instructions provided in http://wiki.sproutcore.com/Abbot-Setting+Up. Upon starting sc-server, I get the error ./sc-server:9:in `’: undefined method `empty?’ for nil:NilClass (NoMethodError) I checked the ruby code inside sc-server: I think Abbot 1.4 has changed so that it can only be run from [...]