Window '%1' not found

Error constant SQLE_WINDOW_NOT_FOUND
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 Name of the window that could not be found.
Severity 16
SQLCODE –947
SQLSTATE 42WA3
Sybase error code 13541
Probable cause

You have attempted to reference a window name that is not defined in the window list of the SELECT statement.