Assign a character string that is too long
SQL> SQL> DECLARE 2 v_TempVar VARCHAR2(5); 3 BEGIN 4 v_TempVar := 'abcdefghijkl'; 5 END; 6 / DECLARE * ERROR at line 1: ORA-06502: PL/SQL: numeric or value error: character string buffer too small ORA-06512: at line 4 SQL> SQL>