TEX 2017 설치하려하는데 install-tl-advanced를 실행시키면 

open tlpdb(http://ftp.ktug.org/tex-arhive/systems/texlive/tlnet/tlpkg/texlive.tlpdb) failed: Inappropriate I/O control opeartion at ~~~ TLPDB.pm line 360

이렇게 뜨면서 실패합니다.

왜이런걸까요 ㅠㅠ