thiel@zeus:~$ cat /usr/lib/erlang/releases/RELEASES
[{release,"Erlang/OTP","20","9.0",
[{kernel,"5.3","/usr/lib/erlang/lib/kernel-5.3"},
{stdlib,"3.4","/usr/lib/erlang/lib/stdlib-3.4"},
{sasl,"3.0.4","/usr/lib/erlang/lib/sasl-3.0.4"}],
permanent}].
thiel@zeus:~$ elixir --version
Erlang/OTP 20 [RELEASE CANDIDATE 2] [erts-9.0] [source] [smp:2:2] [ds:2:2:10] [async-threads:10] [hipe] [kernel-poll:false]
{"init terminating in do_boot",{{badmatch,error},[{'Elixir.System',build,0,[{file,"lib/system.ex"},{line,177}]},{'Elixir.System',build_info,0,[{file,"lib/system.ex"},{line,169}]},{'Elixir.Kernel.CLI',parse_shared,2,[{file,"lib/kernel/cli.ex"},{line,153}]},{'Elixir.Kernel.CLI','shared_option?',3,[{file,"lib/kernel/cli.ex"},{line,113}]},{'Elixir.Kernel.CLI',main,1,[{file,"lib/kernel/cli.ex"},{line,14}]},{init,start_em,1,[]},{init,do_boot,3,[]}]}}
init terminating in do_boot ({{badmatch,error},[{Elixir.System,build,0,[{_},{_}]},{Elixir.System,build_info,0,[{_},{_}]},{Elixir.Kernel.CLI,parse_shared,2,[{_},{_}]},{Elixir.Kernel.CLI,shared_option?,
Crash dump is being written to: erl_crash.dump...done
thiel@zeus:~$ cd ga
thiel@zeus:~/ga$ ix test
ix: opdracht niet gevonden
thiel@zeus:~/ga$ mix test
** (Version.InvalidRequirementError) ~> 1.2
(elixir) lib/version.ex:159: Version.match?/3
(mix) lib/mix/local.ex:100: Mix.Local.check_elixir_version_in_ebin/1
(elixir) lib/enum.ex:645: Enum."-each/2-lists^foreach/1-0-"/2
(elixir) lib/enum.ex:645: Enum.each/2
(mix) lib/mix/local.ex:50: Mix.Local.append_archives/0
(mix) lib/mix/cli.ex:8: Mix.CLI.main/1
What must I do to get Elixir running again?
Thanks