bajs i kuken

In file included from sketch_jun13a.cpp:25:
C:\Documents and Settings\Administrator\Desktop\arduino-1.0\libraries\LiquidCrystal_I2C/LiquidCrystal_I2C.h:80: error: conflicting return type specified for 'virtual void LiquidCrystal_I2C::write(uint8_t)'
C:\Documents and Settings\Administrator\Desktop\arduino-1.0\hardware\arduino\cores\arduino/Print.h:48: error:   overriding 'virtual size_t Print::write(uint8_t)'
sketch_jun13a:30: error: conflicting declaration 'int SS'
C:\Documents and Settings\Administrator\Desktop\arduino-1.0\hardware\arduino\variants\mega/pins_arduino.h:35: error: 'SS' has a previous declaration as 'const uint8_t SS'
sketch_jun13a.cpp: In function 'void loop()':
sketch_jun13a:170: error: 'class SdFat' has no member named 'cwd'