This is as far as i got, can somebody please help me with the errors mentioned below?

DEFINE OSC 20 ' Define crystal as 20Mhz

'This Part set PORTA 0-5 an analog inputs

ADCON1 = %111 'FRC (clock derived from a dedicated internal oscillator = 500 kHz max)
ANSEL = 0 'The ANSEL (91h) and CMCON0 (9Ch)registers must be initialized to configure an
CMCON0= 0 'analog channel as a digital input. Pins configured as analog inputs will read ‘0’.
TRISA = %00011111 'set PORTA 0-5 as inputs


TRISC = %10001111 'Set PORTC for serial coms and pins 0 - 3 as inputs
TRISB = %00000000 'Sert PORTb as outputs and for use with the ICD2


ERROR Line 13: Syntax error.
ERROR: RAM END must be defined.
ERROR: RAM BANKS must be defined.
ERROR: No LIBRARY statement or LIBRARY parameter.
ERROR: No LIBRARY statement or MACRO parameter.
ERROR: Unable to open file PBPMAC.INC