Kerberos logins are not supported

Error constant SQLE_KERBEROS_LOGONS_UNSUPPORTED
ODBC 2 State 28000
ODBC 3 State 28000
Severity 16
SQLCODE –1070
SQLSTATE 28W13
Sybase error code 13444
Probable cause

The client and/or server does not support Kerberos logins. Kerberos may not be supported by the platform, the Kerberos client software including the GSS-API runtime may not be installed or found on the client, or Kerberos was not enabled on the server. The LogFile connection parameter or the server's -z option may provide more information.