cannot fix schema for apachesolr module

apachesolr_index_entities
    * primary key:
      declared: array('entity_id')
      actual: array('entity_id', 'entity_type')

If I add entity type I get:

apachesolr_index_entities
    * primary key:
      declared: array('entity_id', 'entity_type')
      actual: array('entity_id')