Error not a statement

[pendex21]

ya lo cambie, pero cuando lo hago me tira estos errores.

src\minecraft\net\minecraft\src\mod_block.java:11: error: cannot find symbol
ModLoader.RegisterBlock<Block>;
________________________
src\minecraft\net\minecraft\src\mod_block.java:13: error: cannot find symbol
ModLoader.Addname<Block, "Da Block">;
________________________
src\minecraft\net\minecraft\src\mod_block.java:17: error: cannot find symbol
ModLoader.Addrecipe<new itemstack<Block,4>, new Object[]{


Symbol: method AddRecipe<itemstack,Object[]>
location: class ModLoader
3 errors