a coloumn of my table is showing invalid identifier in toad
i am getting the following error on my trigger
[Warning] ORA-24344: success with compilation error
3/62 PL/SQL: ORA-00904: “PEOPLE”.”FLATNO”: invalid identifier
3/9 PL/SQL: SQL Statement ignored
7/66 PL/SQL: ORA-00904: “PEOPLE”.”FLATNO”: invalid identifier
7/9 PL/SQL: SQL Statement ignored
(2: 0): Warning: compiled but with compilation errors