Fatal error: Uncaught Error: Class "League\Fractal\TransformerAbstract" not found in /home/steele15/public_html/voice/concrete/src/Api/Fractal/Transformer/TopicTreeNodeTransformer.php:7
Stack trace:
#0 {main}
thrown in /home/steele15/public_html/voice/concrete/src/Api/Fractal/Transformer/TopicTreeNodeTransformer.php on line 7