Trying to vote on a poll but getting error

[Minimii]

When I try to vote on a poll I get this error

Fatal error: Call to a member function fetch() on a non-object in C:\xampp\htdocs\pot\OTS_Account.php on line 371

This is line 371 in OTS_Account.php

$value = $this->db->query('SELECT ' . $this->db->fieldName($field) . ' FROM ' . $this->db->tableName('accounts') . ' WHERE ' . $this->db->fieldName('id') . ' = ' . $this->data['id'])->fetch();

I also get this error when im trying to make a new thread in the forum

Fatal error: Call to a member function fetchAll() on a non-object in C:\xampp\htdocs\forum.php on line 202

This is line 202 in forum.php

		$threads = $SQL->query("SELECT `players`.`name`, `players`.`account_id`, `players`.`world_id`, `players`.`rank_id`, `players`.`vocation`, `players`.`promotion`, `players`.`level`, `z_forum`.`id`,`z_forum`.`first_post`, `z_forum`.`section`,`z_forum`.`post_text`, `z_forum`.`post_topic`, `z_forum`.`post_date`, `z_forum`.`post_smile`, `z_forum`.`author_aid`, `z_forum`.`author_guid`, `z_forum`.`last_edit_aid`, `z_forum`.`edit_date` FROM `players`, `z_forum` WHERE `players`.`id` = `z_forum`.`author_guid` AND `z_forum`.`first_post` = ".(int) $thread_id." ORDER BY `z_forum`.`post_date` LIMIT ".$posts_per_page." OFFSET ".($page * $posts_per_page))->fetchAll();

Im very thankful for all the help you can give me =)

 

[Minimii]

Any1?

 

[Elox]

Do you have the forum table in your database? (z_forum)
If not, create it.

CREATE TABLE `z_forum` (
  `id` int(11) NOT NULL auto_increment,
  `first_post` int(11) NOT NULL default '0',
  `last_post` int(11) NOT NULL default '0',
  `section` int(3) NOT NULL default '0',
  `replies` int(20) NOT NULL default '0',
  `views` int(20) NOT NULL default '0',
  `author_aid` int(20) NOT NULL default '0',
  `author_guid` int(20) NOT NULL default '0',
  `post_text` text NOT NULL,
  `post_topic` varchar(255) NOT NULL,
  `post_smile` tinyint(1) NOT NULL default '0',
  `post_date` int(20) NOT NULL default '0',
  `last_edit_aid` int(20) NOT NULL default '0',
  `edit_date` int(20) NOT NULL default '0',
  `post_ip` varchar(32) NOT NULL default '0.0.0.0',
  PRIMARY KEY  (`id`),
  KEY `section` (`section`)
) ENGINE=MyISAM AUTO_INCREMENT=1 ;