The Emacs configuration for normal operations on my system has loads of useful and powerful packages loaded. Sometimes they interfere with the normal operation of org-html-export-to-*, though. The simplest way to address those issues is to generate two confirmation files: one for full-blown Emacs use and another just for doing exports. With literate programming in org-mode it is totally simple to do. It looks like this:
<<cask-block>> <<diagramming-decision>> <<modes-application-org-mode-decision>>