Errortype:11 (also known as: Errortype:Eleven, or ET11) was a punk/indie band formed in New York, USA. Members were: Arthur (Arty) Shepherd (guitar, vocals), Phil Hanratty (guitar, vocals), Adam Marino, Scott Martin (bass), Erik Matheu, Keith Moore, Leroy Getaway, Sammy Siegler, Ti Kreck, Steve Sanderson (drums).