Help:$smwgIgnoreExtensionRegistrationCheck

is a configuration parameter that sets whether users will be informed on special page "Version" about the discrepancy of having Semantic MediaWiki installed but not enabled. This configuration parameter is especially interesting for administrators of wiki farms who do not automatically invoke Semantic MediaWiki by default. The configuration parameter was introduced in .CiteRef::gh:smw:4170

Default setting
This means that users will be informed on special page "Version" that Semantic MediaWiki was not enabled.

Changing the default setting
To modify the setting to this configuration parameter, add one of the following lines to your "LocalSettings.php" file after the  call:

This means that users will not be informed on special page "Version" that Semantic MediaWiki was not enabled.
 * Disable notifications on special page "Version"