There are many LCD types... you dont seem to have enabled any of them....
find "//#define LCDreprapdiscount "
change it to
"#define LCDreprapdiscount "
NB U8gitlib is for pixel based lcd's not char based like 2004, you dont need it.
find "//#define LCDreprapdiscount "
change it to
"#define LCDreprapdiscount "
NB U8gitlib is for pixel based lcd's not char based like 2004, you dont need it.