Error When Displaying Aggregated Data in Filament Resource Table

return $table->modifyQueryUsing(function (Builder $query) use ($today) {
        $query->where('dt', '>=', $today)
            ->groupBy('hour')
            ->selectRaw('DATE_FORMAT(dt, "%H:00") as hour, SUM(rounded) as total_sum');
    })

    ->columns([
        Tables\Columns\TextColumn::make('hour'),
        Tables\Columns\TextColumn::make('total_sum'),
    ]);