TITLE: GCN CIRCULAR NUMBER: 33442 SUBJECT: GRB 230307A: Erratum of the GCN 33441 DATE: 23/03/09 17:33:43 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs V.Lipunov (Lomonosov MSU) I am sorry for my mistake in Subject. Correct subject is GRB 230307A: MASTER detection of an object near NTT Optical Afterglow Candidate