can't set languages

[donnieparka]

theme = "gruvbox"
[editor]
line-number = "relative"
[language-server]
elixir-ls = { command = "elixir-ls", config = { elixirLS.dialyzerEnabled = false } }

i get this error

why?

[kirawi]

Language config goes in a different file. See https://docs.helix-editor.com/languages.html