Cross-posted at:
http://wordpress.org/support/topic/raw-html-pro-conflicts-with-wordpress-wiki-1
Raw HTML Pro 1.2.0 conflicts with wordpress-wiki 1.0.2. You need to disable Raw HTML for wiki posts.
In raw-html-pro/include/formatting-override.php, in maybe_use_filter(), change:
if ($setting == '1') {
to:
if ($setting == '1' || $post->post_type == "wiki") {
