One more thing, There are many more errors, but the list was too long to post.

In file included from Configuration.h:42,

from Repetier.h:185,

from Commands.cpp:22:

pins.h:311:2: error: #error Oops! Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu.

In file included from HAL.h:77,

from Repetier.h:353,

from Commands.cpp:22:

fastio.h:3733:2: error: #error pins for this chip not defined in arduino.h! If you write an appropriate pin definition and have this firmware work on your chip, please submit a pull request

In file included from Repetier.h:353,

from Commands.cpp:22:

HAL.h: In static member function 'static void HAL::spiBegin()':

HAL.h:587: error: 'DIO50_DDR' was not declared in this scope

HAL.h:587: error: 'DIO50_PIN' was not declared in this scope

HAL.h:588: error: 'DIO51_DDR' was not declared in this scope

HAL.h:588: error: 'DIO51_PIN' was not declared in this scope

HAL.h:589: error: 'DIO52_DDR' was not declared in this scope

HAL.h:589: error: 'DIO52_PIN' was not declared in this scope

HAL.h:591: error: 'DIO53_DDR' was not declared in this scope

HAL.h:591: error: 'DIO53_PIN' was not declared in this scope

HAL.h: In static member function 'static void HAL::spiInit(uint8_t)':

HAL.h:606: error: 'DIOSS_DDR' was not declared in this scope

HAL.h:606: error: 'DIOSS_PIN' was not declared in this scope

HAL.h:607: error: 'DIOSS_WPORT' was not declared in this scope

HAL.h:607: error: 'DIOSS_PIN' was not declared in this scope

HAL.h:607: error: 'DIOSS_WPORT' was not declared in this scope

HAL.h:607: error: 'DIOSS_PIN' was not declared in this scope

HAL.h:608: error: 'DIOSCK_DDR' was not declared in this scope

HAL.h:608: error: 'DIOSCK_PIN' was not declared in this scope

HAL.h:609: error: 'DIO51_DDR' was not declared in this scope

HAL.h:609: error: 'DIO51_PIN' was not declared in this scope

HAL.h:610: error: 'DIO50_DDR' was not declared in this scope

HAL.h:610: error: 'DIO50_PIN' was not declared in this scope

In file included from Repetier.h:457,