The following messages or issues have been recorded (after an upgrade of an existing SMW installation).

Known issues[edit]

A specific message may depend on the available wiki configuration (in the "LocalSettings.php") or wiki setup.


  • Property namespace disappears in MediaWiki 1.27.*1
  • Property namespace appears to be broken2
  • Special pages used by SMW have disappeared, no special pages on SMW, no “Special:SMWAdmin”, no “Special:Browse” , and properties don’t work "... actually it seems the ConfirmEdit extension is causing the ..."34

See also[edit]



  1. ^  |  Semantic MediaWiki: GitHub issue gh:smw:1424
  2. ^  Semantic MediaWiki: Phabricator task mw:phab:T160665
  3. ^  Semantic MediaWiki: User mailing list thread "Installed SMW but no special pages"
  4. ^  Semantic MediaWiki: GitHub issue gh:smw:1406