ERROR: can not read configuration: yaml: line 13: did not find expected key

[rafaelnp]

I have the following error when ttrying to use efm-langserver + cocn.vim + neovim on Arch Linux:

can not read configuration: yaml: line 13: did not find expected key

Version information:

• vim version: NVIM v0.4.3
• node version: v10.19.0
• coc.nvim version: 0.0.75-89c0c2380b
• term: xterm-256color
• platform: linux
• efm-langserver: v0.0.9 (update: tested v0.0.10, same error)

cocn.vim configuration (~/.config/nvim/coc-settings.jso):

    // Viml, Yaml, Markdown
    "efm": {
      "command": "efm-langserver",
      "args": [],
      "filetypes": ["vim", "markdown", "yaml"]
    },

efm-langserver configuration (~/.config/efm-langserver/config.yaml):

version: 2

tools:
  vim-vint: &vim-vint
    lint-command: 'vint -'
    lint-stdin: true

  markdown-markdownlint: &markdown-markdownlint
    lint-command: 'markdownlint -s -c /home/rnp/.config/markdownlint.json'
    lint-stdin: true
    lint-formats:
      - '%f: %l: %m'

   yaml-yamllint: &yaml-yamllint
    lint-command: 'yamllint -f parsable -'
    lint-stdin: true

languages:
  vim:
    - <<: *vim-lint

  markdown:
    - <<: *markdown-markdownlint

  yaml:
    - <<: *yaml-yamllint

[mattn]

Probably line 13 is bad indentation in your yaml file. (one needless whitespace before key)

[rafaelnp]

There was an extra space on line 14, before yaml-yamllint and I caught afterwards a typo on line 20, *vint-lint instead of *vim-vint.
Thanks for your reply.