Error in header file p18f8520.h !!!

[RbtGal1351]

Ok i know that this is a strange build error... but when i compiled/ built the default code (not the camera version) i got this error:

Clean: Deleting intermediary and output files.
Clean: Done.
Executing: "C:\mcc18\bin\mcc18.exe" -p=18F8520 "main.c" -fo="main.o" /i"C:\mcc18\Compiler Stuff\h" -D_FRC_BOARD -Ou- -Ot- -Ob- -Op- -Or- -Od- -Opa-
Executing: "C:\mcc18\bin\mcc18.exe" -p=18F8520 "user_SerialDrv.c" -fo="user_SerialDrv.o" /i"C:\mcc18\Compiler Stuff\h" -D_FRC_BOARD -Ou- -Ot- -Ob- -Op- -Or- -Od- -Opa-
c:\mcc18\h\p18f8520.h:169:Error [1109] type mismatch in redeclaration of 'PORTBbits'
c:\mcc18\h\p18f8520.h:201:Error [1109] type mismatch in redeclaration of 'PORTCbits'
Halting build on first failure as requested.
BUILD FAILED: Mon Jan 17 11:25:20 2005

does any body please know how to fix this???

THANK YOU IN ADVANCE!!
~Stephanie
Team 1351