External login for server '%1' could not be found

Item Value
SQLCODE -712
Constant SQLE_OMNI_EXTLOGIN_NOT_FOUND
SQLSTATE WO013
Sybase error code 11221
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 The name of the remote server.

Probable cause 

An external login for the server and user does not exist.