Some data loads are failing due to a bug in WebDav storage on GoodData's site introduced in their Saturday release. They are working on fix, be patient please. Jobs affected by this problem fail with message "Csv file has not been uploaded to 'https://secure-di.gooddata.com/uploads/....csv'". We apologize for all the inconveniences.
Update 16:15 UTC: According to GoodData support this problem unfortunately won't be fixed earlier than on November 26 9:00 UTC. See their maintenance announcement