kiex installation error issue

[seiryusj]

Im using Ubuntu 18.04.2 LTS and trying to install elixir by kiex. And I`ve faced following messages. Pleas help me to fix it.

HERO@ubuntu:/tmp/kiex$ kiex install 1.3.4 Downloading elixir version 1.3.4 Installing elixir version 1.3.4 Switched to branch 'master' Your branch is up to date with 'origin/master'. warning: refname 'v1.3.4' is ambiguous. fatal: A branch named 'v1.3.4' already exists. warning: refname 'v1.3.4' is ambiguous. Switched to branch 'v1.3.4' From https://github.com/elixir-lang/elixir

• tag v1.3.4 -> FETCH_HEAD Already up to date. cd lib/elixir && "/home/seiryu/.kiex/builds/elixir-git/rebar" clean Uncaught error in rebar_core: {'EXIT', {undef, [{crypto,start,[],[]}, {rebar,run_aux,2, [{file,"src/rebar.erl"},{line,163}]}, {rebar,main,1, [{file,"src/rebar.erl"},{line,58}]}, {escript,run,2, [{file,"escript.erl"},{line,760}]}, {escript,start,1, [{file,"escript.erl"},{line,277}]}, {init,start_em,1,[]}, {init,do_boot,3,[]}]}} Makefile:115: recipe for target 'clean' failed make: [clean] Error 1 Uncaught error in rebar_core: {'EXIT', {undef, [{crypto,start,[],[]}, {rebar,run_aux,2, [{file,"src/rebar.erl"},{line,163}]}, {rebar,main,1, [{file,"src/rebar.erl"},{line,58}]}, {escript,run,2, [{file,"escript.erl"},{line,760}]}, {escript,start,1, [{file,"escript.erl"},{line,277}]}, {init,start_em,1,[]}, {init,do_boot,3,[]}]}} Makefile:68: recipe for target 'erlang' failed make: [erlang] Error 1 Problem with Elixir build. Aborting! Please report via https://github.com/taylor/kiex/issues/new

[taylor]

What version of erlang is installed @seiryusj