patch 9.0.1576: users may not know what to do with an internal error Commit: https://github.com/vim/vim/commit/097c5370ea8abab17ceb0f3bcd74f57b1655c7f7 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 24 21:02:24 2023 +0100 patch 9.0.1576: users may not know what to do with an internal error Problem: Users may not know what to do with an internal error. Solution: Add a translated message with instructions.

let g:loaded_foo_vim += 1

let foo#bar = {}

func foo#bar.echo()
  let g:called_foo_bar_echo += 1
endfunc

func foo#addFoo(head)
  return a:head .. 'foo'
endfunc

func foo#()
  return 'empty'
endfunc