Registration not possible after update to 1.2.18

System:
Joomla 3.3.1
ES 1.2.18

Replication steps

1. Go to site provided in the details
2. On a very home page, try to register new user

Result:
Notice: Undefined index: password in /home/vezimeco/public_html/administrator/components/com_easysocial/models/registration.php on line 875

Warning: Creating default object from empty value in /home/vezimeco/public_html/administrator/components/com_finder/helpers/indexer/adapter.php on line 560

Catchable fatal error: Argument 1 passed to plgFinderEasySocialUsers::index() must be an instance of FinderIndexerResult, instance of stdClass given, called in /home/vezimeco/public_html/administrator/components/com_finder/helpers/indexer/adapter.php on line 333 and defined in /home/vezimeco/public_html/plugins/finder/easysocialusers/easysocialusers.php on line 149