Help Me MPC Errors

Please Help Me
here 2 of the 100 Errors
Why I become Errors

srcminecraftnetminecraftsrcChunkCache.java:222: cannot find symbol
symbol : method d(net.minecraft.src.RenderTNTPrimed,int,int,int)
location: class net.minecraft.src.EnumOS1
float f17 = enumos1.d(chunkArray, i1, j1, k1);
^

srcminecraftnetminecraftsrcChunkCache.java:223: cannot find symbol
symbol : method a(float,float,float)
location: class net.minecraft.src.MinecraftError
minecrafterror.a(f8 * f17, f11 * f17, f14 * f17);
^

100 errors
==================

> Done in 3.97 seconds
> Recompiling server...
!! Can not find server sources !!
> Generating the md5 (server)
Drücken Sie eine beliebige Taste . . .

AND FIRST I GET THIS ERROR :

1 out of 1 hunk FAILED -- saving rejects to file 'netminecraftsrcJ_JsonElemen
t#'
==================

> Renaming sources