Fatal error: Uncaught Error: Interface "Serializers\Serializer" not found in /home/reminder_calling/srg.kuality.ca/extensions/SemanticMediaWiki/src/Serializers/ExpDataSerializer.php:16 Stack trace: #0 {main} thrown in /home/reminder_calling/srg.kuality.ca/extensions/SemanticMediaWiki/src/Serializers/ExpDataSerializer.php on line 16