1303, from O.Fr. errer, from L. errare "wander, go astray, be in error" (a general Gmc. borrowing, cf. O.H.G. arunti "message," O.N. erendi, Goth. airziþa "error, deception"), from PIE base *ers- "wander around" (cf. Skt. arsati "flows," O.E. ierre "angry, straying").
Used on the consolidated tape to indicate that an error has been made when reporting a transaction in the indicated security: ERR.LAST.IBM. The previous report, therefore, should be disregarded.