Fatal error: Uncaught Error: Class "Illuminate\Database\Eloquent\Relations\Relation" not found in /home3/cp584787/public_html/wns.mwz/vendor/kalnoy/nestedset/src/BaseRelation.php:12 Stack trace: #0 {main} thrown in /home3/cp584787/public_html/wns.mwz/vendor/kalnoy/nestedset/src/BaseRelation.php on line 12