Compiling umc-core and umc-nativevotes fail

[Speciesx]

umc-core.sp
D:\scripting 1.7.3\umc-core.sp(3402) : error 017: undefined symbol "GetMapDisplayName"
D:\scripting 1.7.3\umc-core.sp(3402) : error 092: number of arguments does not match definition

2 Errors.

Compilation Time: 0,86 sec
----------------------------------------

umc-nativevotes.sp

D:\scripting 1.7.3\umc-nativevotes.sp(11) : fatal error 182: cannot read from file: "nativevotes"

Compilation aborted.
1 Error.

Compilation Time: 0,12 sec
----------------------------------------

[Cruze03]

found any solution for umc core error?