CONFESSION OF ERROR
PER CURIAM.R.W. appeals his adjudication of delinquency for possession of cocaine. At trial the court excluded a belatedly disclosed defense' witness without conducting the hearing required by Richardson v. State, 246 So.2d 771 (Fla.1971). See also Smith v. State, 372 So.2d 86, 88 (Fla.1979); Wilkerson v. State, 461 So.2d 1376, 1379 (Fla. 1st DCA 1985). The State has confessed error. The adjudication of delinquency is reversed and the cause remanded for a new trial.