public function paginate($perPage = 15, $columns = ['*'], $pageName = 'page', $page = null, $table_to_count_from=null)
    {
        $page = $page ?: Paginator::resolveCurrentPage($pageName);
		// MY CHANGE!!! I CHANGED THE CODE BECAUSE IT CAUSES AN ERROR IN MYSQL ON MULTIPLE COLUMNS
	    $total = (is_null($table_to_count_from)) ? $this->getCountForPagination($columns) : $this->getCountForPagination([$table_to_count_from.'.id']);

        $results = $total ? $this->forPage($page, $perPage)->get($columns) : [];

        return new LengthAwarePaginator($results, $total, $perPage, $page, [
            'path' => Paginator::resolveCurrentPath(),
            'pageName' => $pageName,
        ]);
    }