Fatal error: Uncaught Error: Interface "SMW\Indicator\IndicatorProvider" not found in /var/www/html/extensions/SemanticMediaWiki/src/Indicator/IndicatorProviders/CompositeIndicatorProvider.php:15 Stack trace: #0 {main} thrown in /var/www/html/extensions/SemanticMediaWiki/src/Indicator/IndicatorProviders/CompositeIndicatorProvider.php on line 15