After installation I am getting this error:
PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'civicrm_handler_field_custom_file-class' for key 'PRIMARY': INSERT INTO {registry} (name, type, filename, module, weight) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4);
Array ( [:db_insert_placeholder_0] => civicrm_handler_field_custom_file [:db_insert_placeholder_1] => class [:db_insert_placeholder_2] => sites/all/modules/civicrm/drupal/modules/views/civicrm/civicrm_handler_field_custom_file.inc [:db_insert_placeholder_3] => civicrm [:db_insert_placeholder_4] => 0 ) in _registry_parse_file() (line 179 of /xxxx/drupal70/includes/registry.inc).