Performance Issue When Opening the Receiving Page in Oracle iProcurement (Doc ID 2114495.1)

SELECT * FROM (SELECT distinct ad.ATTACHED_DOCUMENT_ID,
  ad.DOCUMENT_ID AS DOCUMENT_ID,
  ad.LAST_UPDATE_DATE,
  ad.LAST_UPDATED_BY,
  u.USER_NAME LAST_UPDATED_BY_NAME,
  ad.ENTITY_NAME,
  ad.PK1_VALUE,
  ad.PK2_VALUE,
  ad.PK3_VALUE,
  ad.PK4_VALUE,
  ad.PK5_VALUE,
  node.short_name LOCATION,
  d.DOCUMENT_ID DOCUMENT_ID1,
  d.DATATYPE_ID,
  dd.USER_NAME DATATYPE_NAME,
  dl.DESCRIPTION,
  d.MEDIA_ID,
  d.dm_type,
  d.dm_node,
  d.dm_folder_path,
  e.DATA_OBJECT_CODE,
  e.DOCUMENT_ENTITY_ID,
  'ALLOW_ATTACH_UPDATE' ALLOW_ATTACH_UPDATE,
  'ALLOW_ATTACH_DELETE' ALLOW_ATTACH_DELETE,
  cl.category_id category_id_query,
  cl.user_name attachment_category_name,
  ad.status,
  ad.creation_date,
  u1.user_name ATTACHED_BY_NAME,
  d.security_id,
  d.security_type,
  d.publish_flag
  FROM FND_DOCUMENTS d,
  FND_DOCUMENTS_TL dl,
  FND_DOCUMENT_DATATYPES dd,
  FND_ATTACHED_DOCUMENTS ad,
  FND_DOCUMENT_ENTITIES e,
  FND_USER u,
  FND_USER u1,
  FND_DOCUMENT_CATEGORIES_TL cl,
  FND_DM_NODES node
  WHERE ad.DOCUMENT_ID = d.DOCUMENT_ID
  and ad.ENTITY_NAME = e.DATA_OBJECT_CODE(+)
  and ad.LAST_UPDATED_BY = u.USER_ID(+)
  and ad.CREATED_BY = u1.user_id (+)
  and cl.language = userenv ('LANG')
  and cl.category_id = nvl (ad.category_id, d.category_id)
  and d.document_id = dl.document_id
  and dl.language = userenv ('LANG')
  and d.datatype_id = dd.datatype_id
  and dd.language = userenv ('LANG')
  and nvl (d.dm_node, 0) = node.node_id (+)) QRSLT WHERE ((
  (entity_name = :1 and pk1_value = :2 and category_id_query in
  (1, :3, :4, :5, :6) ) OR (entity_name = :7 and pk1_value = :8
  ) ) and datatype_id in (6,2,1,5) AND (SECURITY_TYPE=4 OR
  PUBLISH_FLAG='Y'))

Bind Variables :
 1 - (VARCHAR2(128)):RCV_HEADERS
 2 - (VARCHAR2(32)):2842598
 3 - (NUMBER):1000474
 4 - (NUMBER):42
 5 - (NUMBER):37
 6 - (NUMBER):35
 7 - (VARCHAR2(128)):PO_VENDORS
 8 - (VARCHAR2(32)):127