+admin/wikiconfighelp view is not uptodate / has markup errors
the text that is output by this view contains wiki markup, but the markup is not rendered, but being output 1:1 (e.g. ! in front of CamelCase words, or `` in the middle of words).
clean up this page, remove unneeded markup (see MoinMoin/config/...).
remove links to non-existing help pages, think about linking to the sphinx docs.