ishi soichi <soichi777@gmail.com> writes:

> Thanks for the reply.
>
> But I don't have customizations that require "lucid.el" in .emacs
> file.
> Perhaps, some other elisp codes require this particular portion...
> My emacs loads "lucid.el" indirectly, I guess.

1. M-x locate-library RET lucid RET
2. Temporarily move lucid.el and lucid.elc to some other dir
3. emacs -Q
4. M-x toggle-debug-on-error RET
5. load your init file

Check the backtrace for what is causing the problem.