Current connection is already registered to '%1' as '%2'

Error constant SQLE_CONN_ALREADY_REGISTERED
ODBC 2 state 42000
ODBC 3 state 42S02
Parameter 1 Name of the application.
Parameter 2 Registered connection label.
Severity 16
SQLCODE -787
SQLSTATE 5RW26
Sybase error code 13797
 Probable cause