| Tgr added a comment. |
Vagrant throws this every time it tries to do something with MediaWiki (that is, run some maintenance script) so the full log is not super useful.
As I said, this is caused by extensions/Wikibase/vendor/autoload.php not being loaded. The way Vagrant is set up (and many third-party sites too), extensions have separate Composer installations from core so extension files are not included in vendor/autoload.php. Normally ExtensionProcessor::getExtraAutoloaderPaths() handles that but Wikibase does not use extension registration so needs to do it by hand. Here's a random example of an extension doing that in the pre-extension-registration times.
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To: Tgr
Cc: WMDE-leszek, Aklapper, Tgr, Lahi, jgleeson, Gq86, GoranSMilovanovic, QZanden, LawExplorer, Luke081515, Wikidata-bugs, aude, Mbch331, jeremyb
Cc: WMDE-leszek, Aklapper, Tgr, Lahi, jgleeson, Gq86, GoranSMilovanovic, QZanden, LawExplorer, Luke081515, Wikidata-bugs, aude, Mbch331, jeremyb
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