This connection already exists

Error constant SQLE_CONNECTION_ALREADY_EXISTS
ODBC 2 State ERROR
ODBC 3 State ERROR
Severity 16
SQLCODE –955
SQLSTATE WW035
Sybase error code 13533
Probable cause

A connection with the given SQLCA and name (or no name) already exists. Before connecting you must disconnect the existing connection, or specify a different connection name.