When using predictive-mode, the following error often pops up:
Error running timer `completion-ui-auto-show': (error "Keyword argument :face not one of (:point :around :width :height :min-height :max-width :truncate :margin :margin-left :margin-right :scroll-bar :parent :parent-offset :nowait :nostrip :prompt)")
I removed all other extensions, removed custom Emacs settings and only left predictive mode turned on, this problem still persists. What can I do about it?
EDIT It turned out that predictive mode also includes a "popup.el" itself, while I also installed the auto-complete popup.el, which conflict with each other. Is there any way to resolve the conflict?