Those are the standard Library macro's.
Have you edited your 16F877.bas file for any reason?
Were there any other errors BEFORE those?

Make sure your c:\pbp\16f877.bas file looks like this ...
Code:
'****************************************************************
'*  16F877.BAS                                                  *
'*                                                              *
'*  By        : Leonard Zerman, Jeff Schmoyer                   *
'*  Notice    : Copyright (c) 1998 microEngineering Labs, Inc.  *
'*              All Rights Reserved                             *
'*  Date      : 10/23/98                                        *
'*  Version   : 2.11                                            *
'*  Notes     :                                                 *
'****************************************************************

BANK0   $0020, $007F
BANK1   $00A0, $00EF
BANK2   $0110, $016F
BANK3   $0190, $01EF
EEPROM  $2100, $21FF
LIBRARY "PBPPIC14"
DEFINE  CODE_SIZE 8

        include "PIC14EXT.BAS"

PORTL   VAR     PORTB
PORTH   VAR     PORTC
TRISL   VAR     TRISB
TRISH   VAR     TRISC

        include "PBPPIC14.RAM"

'*-----------------------* EOF 16F877.BAS *---------------------*
And your program won't work, because j will never be less than 1 and the WHILE won't execute.