rebuildData.php gone?
From semantic-mediawiki.org
Fragment of a discussion from Help talk:Repairing SMW's data
> PHP Catchable fatal error: Argument 1 passed to SMW\Subobject::__construct() must be an instance of Title, null given,
See [0] for the analysis of the issue.
> I am trying with SMW 2.3.1 (on MW 1.26.2). rebuildData.php
Is expected to work as described by the documentation (otherwise our tests would fail and you would see a red status alert on [1]).
[0] https://github.com/SemanticMediaWiki/SemanticMediaWiki/issues/1318
[1] https://github.com/SemanticMediaWiki/SemanticMediaWiki
Cheers