could someone take a look at this script and see what i may have missed. I keep getting an error. I'm in school now for dba.

SET ECHO OFF
SET VERIFY OFF

ACCEPT PID PROMPT 'PLEASE ENTER THE EMPLOYEE''S ID #: '
ACCEPT PLN PROMPT 'PLEASE ENTER THE EMPLOYEE''S LAST NAME: '
ACCEPT PFN PROMPT 'PLEASE ENTER THE EMPLOYEE''S FIRST NAME: '
ACCEPT PS PROMPT 'PLEASE ENTER THE EMPLOYEE''S SALARY: '

INSERT INTO MY_EMPLOYEE
VALUES (&PID, '&PLN', '&PFN', LOWER(SUBSTR('&PFN',1,1) || SUBSTR('&PLN',1,15)), &PS);
SET VERIFY ON
SET ECHO ON