Subquery allowed only one select list item

Error constant SQLE_SUBQUERY_SELECT_LIST
ODBC 2 State 37000
ODBC 3 State 42000
Severity 15
SQLCODE –151
SQLSTATE 53023
Sybase error code 102
Probable cause

You entered a subquery that has more than one column in the select list. Change the select list to have only one column.