*Backtrace* Errer when loading .texi file

[Christopher Dimech]

I am using emacs to view a .texi file but getting the following *Backtrace*

Debugger entered--Lisp error: (void-function nil)
  nil()
  run-hooks(change-major-mode-after-body-hook text-mode-hook texinfo-mode-hook)
  apply(run-hooks (change-major-mode-after-body-hook text-mode-hook 
texinfo-mode-hook))
  run-mode-hooks(texinfo-mode-hook)
  texinfo-mode()
  set-auto-mode-0(texinfo-mode nil)
  set-auto-mode()
  normal-mode(t)
  after-find-file(nil t)
  find-file-noselect-1(#<buffer 03aCh-Chmed-html.texi> 
"~/01cuneus/tdr/03ch/03aCh-Chmed-html.texi" nil nil 
"~/01cuneus/tdr/03ch/03aCh-Chmed-html.texi" (805977472 64514))
  find-file-noselect("/home/hagbard/01cuneus/tdr/03ch/03aCh-Chmed-html.t...")
  #f(compiled-function (displayable-buffers dir line column name) #<bytecode 
0x1fceaf66c18f>)((nil) "~/" (0) (0) 
"/home/hagbard/01cuneus/tdr/03ch/03aCh-Chmed-html.t...")
  command-line-1(("/home/hagbard/01cuneus/tdr/03ch/03aCh-Chmed-html.t..."))
  command-line()
  normal-top-level()