`custom_entries_view` throws an error when the window is too small

[hankertrix]

FAQ

• [X] I have checked the FAQ and it didn't resolve my problem.

Announcement

• [X] I have checked Breaking change announcement.

Minimal reproducible full config

if has('vim_starting')
  set encoding=utf-8
endif
scriptencoding utf-8

if &compatible
  set nocompatible
endif

let s:plug_dir = expand('/tmp/plugged/vim-plug')
if !filereadable(s:plug_dir .. '/plug.vim')
  execute printf('!curl -fLo %s/autoload/plug.vim --create-dirs https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim', s:plug_dir)
end

execute 'set runtimepath+=' . s:plug_dir
call plug#begin(s:plug_dir)
Plug 'hrsh7th/nvim-cmp'
Plug 'hrsh7th/cmp-buffer'
Plug 'hrsh7th/cmp-nvim-lsp'
Plug 'hrsh7th/vim-vsnip'
Plug 'neovim/nvim-lspconfig'
call plug#end()
PlugInstall | quit

" Setup global configuration. More on configuration below.
lua << EOF
local cmp = require "cmp"
cmp.setup {
  snippet = {
    expand = function(args)
      vim.fn["vsnip#anonymous"](args.body)
    end,
  },

  mapping = {
    ['<CR>'] = cmp.mapping.confirm({ select = true })
  },

  sources = cmp.config.sources({
    { name = "nvim_lsp" },
    { name = "buffer" },
  }),
}
EOF

lua << EOF
local capabilities = require('cmp_nvim_lsp').default_capabilities()

require'lspconfig'.cssls.setup {
  capabilities = capabilities,
}
EOF

Description

...d/vim-plug/nvim-cmp/lua/cmp/view/custom_entries_view.lua:210: Expected Lua number

This error keeps occurring every single time when cmp tries to open the completion menu to complete the word.

Steps to reproduce

1. Use the configuration.
2. Make the terminal window tiny, as shown below:
3. The error will keep occurring when there is more than 1 completion item.

Expected behavior

No error occurs and I get a tiny menu that has 1 or 2 words for the auto-completion. It used to work like that until something changed.

Actual behavior

...d/vim-plug/nvim-cmp/lua/cmp/view/custom_entries_view.lua:210: Expected Lua number

This error keeps occurring and it's nearly impossible to type anything.

Additional context

While the terminal window being that tiny may seem unreasonable, this actually happens a lot when using Firenvim on small text areas such as search bars and text boxes for chat apps.