Report: String of Human Errors Caused Collision between Ulysse and CLS Virginia 9 January 2019 A series of human errors caused the collision between Ro-Ro ship Ulysse and CLS Virginia.Author: Capt. Johnhttps://worldmaritimenews.com/archives/268076/report-string-of-human-errors-caused-collision-between-ulysse-and-cls-virginia/