Fatal error: Uncaught Error: Class "ProseMirrorToHtml\Nodes\TableCell" not found in /home/gingerbrup/gardien/vendor/ueberdosis/prosemirror-to-html/src/Nodes/TableHeader.php:5 Stack trace: #0 {main} thrown in /home/gingerbrup/gardien/vendor/ueberdosis/prosemirror-to-html/src/Nodes/TableHeader.php on line 5