Explains various common problems when installing Semantic MediaWiki and how to fix them.
Table of Contents

After the upgrade of an existing SMW installation the following messages can occur which solely depend on the configuration of the "LocalSettings.php" file:

Property namespace disappears in MediaWiki 1.27.*[edit]

Property namespace disappears in MediaWiki 1.27.*
See 1

Property namespace broken[edit]

Property namespace apparears to be broken
See 2

Special pages used by SMW have disappeared[edit]

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 ..."3, see also4

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