Support » Plugin: WP Db Abstraction » Fatal error: Cannot access empty property on result->fetchAll(PDO::FETCH_OBJ)

  • ON: SQL Server 2008 R2

    When trying to activate the WP Groups plugin (http://wordpress.org/plugins/groups/), I get Fatal error: Cannot access empty property on the following line (drivers/pdo.php, _post_query() method):

    $this->last_result = $this->result->fetchAll(PDO::FETCH_OBJ);

    I tried checking for null, empty, property_exists, method_exists on result and fetchAll() prior to that line so I could log the query that is causing the problems and none of my checks ever returned false. Could this be a problem internally in the fetchAll() method?

    When logging all queries the last one logged before the fatal error is:

    12/16/13 19:34:33,788 [7068] DEBUG pdo_wpdb - PDOStatement::__set_state(array(
       'queryString' => 'SELECT @@IDENTITY',
    ))

    SELECT @@IDENTITY executed without error earlier so I can not say with confidence that it is the culprit.

    I’ve spent a few hours on this and can’t figure it out. Any suggestions?

    http://wordpress.org/plugins/wordpress-database-abstraction/

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