When I am compiling the latest VDP 1.04 RC1 source code (provided with the release), I am getting the error below.

:\Users\lpanc\Downloads\agon-vdp-1.04-RC1 (1)\agon-vdp-1.04-RC1\video\video.ino: In function 'void updateRGB2PaletteLUT()':
video:604:47: error: 'void fabgl::VGAPalettedController::updateRGB2PaletteLUT()' is protected within this context
case 2: VGAController2.updateRGB2PaletteLUT(); break;
^
In file included from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vga2controller.h:51,
from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/fabgl.h:319,
from C:\Users\lpanc\Downloads\agon-vdp-1.04-RC1 (1)\agon-vdp-1.04-RC1\video\video.ino:43:
C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vgapalettedcontroller.h:117:8: note: declared protected here
void updateRGB2PaletteLUT();
^~~~~~~~~~~~~~~~~~~~
video:605:47: error: 'void fabgl::VGAPalettedController::updateRGB2PaletteLUT()' is protected within this context
case 4: VGAController4.updateRGB2PaletteLUT(); break;
^
In file included from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vga2controller.h:51,
from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/fabgl.h:319,
from C:\Users\lpanc\Downloads\agon-vdp-1.04-RC1 (1)\agon-vdp-1.04-RC1\video\video.ino:43:
C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vgapalettedcontroller.h:117:8: note: declared protected here
void updateRGB2PaletteLUT();
^~~~~~~~~~~~~~~~~~~~
video:606:47: error: 'void fabgl::VGAPalettedController::updateRGB2PaletteLUT()' is protected within this context
case 8: VGAController8.updateRGB2PaletteLUT(); break;
^
In file included from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vga2controller.h:51,
from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/fabgl.h:319,
from C:\Users\lpanc\Downloads\agon-vdp-1.04-RC1 (1)\agon-vdp-1.04-RC1\video\video.ino:43:
C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vgapalettedcontroller.h:117:8: note: declared protected here
void updateRGB2PaletteLUT();
^~~~~~~~~~~~~~~~~~~~
video:607:49: error: 'void fabgl::VGAPalettedController::updateRGB2PaletteLUT()' is protected within this context
case 16: VGAController16.updateRGB2PaletteLUT(); break;
^
In file included from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vga2controller.h:51,
from C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/fabgl.h:319,
from C:\Users\lpanc\Downloads\agon-vdp-1.04-RC1 (1)\agon-vdp-1.04-RC1\video\video.ino:43:
C:\Users\lpanc\Documents\Arduino\libraries\FabGL\src/dispdrivers/vgapalettedcontroller.h:117:8: note: declared protected here
void updateRGB2PaletteLUT();
^~~~~~~~~~~~~~~~~~~~
exit status 1
'void fabgl::VGAPalettedController::updateRGB2PaletteLUT()' is protected within this context