Another connection has already registered as '%1'

Error constant SQLE_NOT_UNIQUE_CONN_REG_LABEL
ODBC 2 State 42000
ODBC 3 State 42S02
Parameter 1 Registered connection label.
Severity 16
SQLCODE –788
SQLSTATE 5RW27
Sybase error code 13798
Probable cause

You attempted to register a connection with a label already in use for the same application.