LeftComponent throwing the following error: Invalid expression: "luaeval('require("galaxyline").component_decorator')("decoratorName")

[Douglas Alexandre Bueno do Amaral]

I'm new to Neovim and trying to configure my first neovim setup
I liked this plugin and i'm trying to configure it using some exemple found at the Custom Galaxyline configuration (#issue).
I got as example for a first try the Zarainia setup (setup link).

Somehow it works (show in the image below), but not as expected.

I keep being warned about this error: "luaeval('require("galaxyline").component_decorator')("decoratorName")"
I get this error everytime i do an action like changing files (via Netrw).

i tried to change the decorator name for one of those used in the examples folder. But it didn't worked

If i comment the first left section, it works without giving any error

(Commented section)

(Galaxyline working without problem in netrw and file)

That is my galaxyline configuration galaxyline.lua

[Douglas Alexandre Bueno do Amaral]

I've discovered what happens to do the error and solved it.
It occours because the method called to get the the File Icon Color method doesn't handle if the buffer i'm in is a plugin or netrw. So when i enter in one of those buffers that is not a file, it breaks the code.

function M.get_file_icon_color()
  local filetype = vim.bo.filetype
  local f_name, f_ext = get_file_info()

  if user_icons[filetype] ~= nil then return user_icons[filetype][1] end

  if user_icons[f_ext] ~= nil then return user_icons[f_ext][1] end

  local has_devicons, devicons = pcall(require, 'nvim-web-devicons')
  if has_devicons then
    local icon, iconhl = devicons.get_icon(f_name, f_ext)
    if icon ~= nil then
      return vim.fn.synIDattr(vim.fn.hlID(iconhl), 'fg')
    end
  end

  local icon = M.get_file_icon():match('%S+')
  for k, _ in pairs(icons) do
    if vim.fn.index(icons[k], icon) ~= -1 then return icon_colors[k] end
  end
end

I resolved it by doing a verification if the buffer i'm in is 'Netrw' or any of my Plugins.
Commit

local function validFiletype(filetype)
            if filetype == "netrw" or filetype == '' then
                return false
            else
                for index, data in ipairs(lazyPlugins)  do
                    if data.name == filetype then
                        return false
                    end
                end
            end

            return true
        end