live.handle_error(err)

  local callstack = debug.traceback('', --[[stack frame]]2)
  local cleaned_up_error = 'Error: ' .. cleaned_up_frame(tostring(err))..'\n'..cleaned_up_callstack(callstack)
  live.send_run_time_error_to_driver(cleaned_up_error)
  love.graphics.setFont(love.graphics.newFont(20))
  Error_message = 'Something is wrong. Sorry!\n\n'..cleaned_up_error..'\n\n'..
    'Options:\n'..
    '- press "ctrl+c" (without the quotes) to copy this message to your clipboard to send to me: ak@akkartik.com\n'..
    '- run driver.love to try to fix it yourself. As you do, feel free to ask me questions: ak@akkartik.com\n'
  Error_count = Error_count+1
  if Error_count > 1 then
    Error_message = Error_message..('\n\nThis is error #%d in this session; things will probably not improve in this session. Please copy the message and send it to me: ak@akkartik.com.'):format(Error_count)
  end
  print(Error_message)
  error_frame_keys_down = {}