Site crashes down due to errors when activationg the module

First I want to say that I have tried that with the alpha verion as well and the error is existing in both versions of the module.

1. Fresh installed drupal
2. drush dl -y og_forum_d7
3. Endable og_forum trough the web browser
4, Rebuild content permissions

is leading me to

Details
TYPE php
DATE Saturday, April 25, 2015 - 23:11
USER Anonymous (not verified)
LOCATION http://drupal.dev/
REFERRER http://drupal.dev/
MESSAGE

PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'node.entity_id' in 'where clause': SELECT COUNT(*) AS expression FROM (SELECT 1 AS expression FROM {node} node WHERE (node.nid = :db_condition_placeholder_0) AND(( ( EXISTS (SELECT na.nid AS nid FROM {node_access} na WHERE (( (na.gid = :db_condition_placeholder_1) AND (na.realm = :db_condition_placeholder_2) ))AND (na.grant_view >= :db_condition_placeholder_3) AND (node.entity_id = na.nid) )) AND (node.entity_type = :db_condition_placeholder_4) )OR (node.entity_type <> :db_condition_placeholder_5) )) subquery; Array ( [:db_condition_placeholder_0] => -1 [:db_condition_placeholder_1] => 0 [:db_condition_placeholder_2] => all [:db_condition_placeholder_3] => 1 [:db_condition_placeholder_4] => node [:db_condition_placeholder_5] => node ) in EntityFieldQuery->execute() (line 1158 of /var/www/d7/includes/entity.inc).

SEVERITY error