Fatal error: Uncaught Error: Class 'Illuminate\Database\Eloquent\Relations\Relation' not found in /home/gcpsxdwf/public_html/forum.oandplibrary.org/vendor/illuminate/database/Eloquent/Relations/BelongsToMany.php:17 Stack trace: #0 {main} thrown in /home/gcpsxdwf/public_html/forum.oandplibrary.org/vendor/illuminate/database/Eloquent/Relations/BelongsToMany.php on line 17