[Oracle] Query on M:M with relation name doesn't work

---
Actuality:
  connection:         web
  tableName:          actuality
  actAs:
    softDelete:       ~
    Timestampable:    ~
    Sluggable:
      fields:         [name]
      builder:        [tool, slugify]
      indexName:      actuality_sluggable
      canUpdate:      true
  columns:
    id:
      type:           integer(4)
      primary:        true
      unsigned:       true
      sequence:       actuality
    created_at:
      type:           timestamp
    updated_at:
      type:           timestamp
    published_at:
      type:           timestamp
      notnull:        true
    unpublished_at:
      type:           timestamp
    name:
      type:           string(255)
      notnull:        true
    description_short:
      type:           string(1000)
      notnull:        true
    description:
      type:           clob
      notnull:        true
    is_professional:
      type:           boolean
      default:        true
  relations:
    Categories:
      class: ActualityCategory
      local: actuality_id
      foreign: actuality_category_id
      refClass: ActualityActualityCategory
      foreignAlias: Actualities

public function retrieveCloud($is_professional, $limit = 20)
  {
    return $this->createQuery('ac')
    ->leftJoin('ac.Actualities a2')
    ->where('ac.id IN (SELECT aac.actuality_category_id FROM Actuality a LEFTJOIN a.ActualityActualityCategory aac WHERE a.published_at < ? AND a.is_professional = ?)', array(date('Y-m-d H:i:s'), $is_professional))
    ->orderBy('ac.name')
    ->limit($limit)
    ->execute();
  }

ORA-01008: not all variables bound : SELECT a.id AS a__id, a.created_at AS a__created_at, a.updated_at AS a__updated_at, a.name AS a__name, a.deleted_at AS a__deleted_at, a.slug AS a__slug, a2.id AS a2__id, a2.created_at AS a2__created_at, a2.updated_at AS a2__updated_at, a2.published_at AS a2__published_at, a2.unpublished_at AS a2__unpublished_at, a2.name AS a2__name, a2.description_short AS a2__description_short, a2.description AS a2__description, a2.is_professional AS a2__is_professional, a2.deleted_at AS a2__deleted_at, a2.slug AS a2__slug FROM actuality_category a LEFT JOIN actuality_actuality_category a3 ON (a.id = a3.actuality_category_id) LEFT JOIN actuality a2 ON a2.id = a3.actuality_id AND (a2.deleted_at IS NULL) WHERE a.id IN (SELECT a4.id FROM ( SELECT DISTINCT a4.id FROM actuality_category a4 LEFT JOIN actuality_actuality_category a6 ON (a4.id = a6.actuality_category_id) LEFT JOIN actuality a5 ON a5.id = a6.actuality_id AND (a5.deleted_at IS NULL) WHERE a4.id IN (SELECT a8.actuality_category_id AS a5__actuality_category_id FROM actuality a7 LEFT JOIN actuality_actuality_category a8 ON a7.id = a8.actuality_id WHERE (a7.published_at < :oci_b_var_1 AND a7.is_professional = :oci_b_var_2)) AND (a4.deleted_at IS NULL) ORDER BY a4.name ) a4 WHERE ROWNUM <= 20) AND (a.id IN (SELECT a5.actuality_category_id AS a5__actuality_category_id FROM actuality a4 LEFT JOIN actuality_actuality_category a5 ON a4.id = a5.actuality_id WHERE (a4.published_at < :oci_b_var_3 AND a4.is_professional = :oci_b_var_4)) AND (a.deleted_at IS NULL)) ORDER BY a.name