Symphony.

Symphony Fatal Database Error
Duplicate column name 'navigation_group'
An error occurred while attempting to execute the following query
ALTER TABLE `sym_sections` ADD `navigation_group` VARCHAR( 50 ) NOT NULL DEFAULT 'Content'
Backtrace:
[/www/htdocs/symphony/lib/toolkit/class.mysql.php:309] MySQL->__error();
[/www/htdocs/update.php:99] MySQL->query();
Database Query Log:
SET NAMES 'utf8'; [0.0002]
SET CHARACTER SET 'utf8'; [0.0001]
ALTER TABLE `sym_sections` ADD `navigation_group` VARCHAR( 50 ) NOT NULL DEFAULT 'Content'; [0.0000]

Symphony Recoverable Error
Object of class Administration could not be converted to string
An error occurred in /www/htdocs/symphony/lib/toolkit/class.author.php around line 19
14:         }
15:         
16:         public function loadAuthor($id){
17:             if(!is_object(Symphony::Database())) return false;
18:             
19:             if(!$row = Symphony::Database()->fetchRow(0, "SELECT * FROM `sym_authors` WHERE `id` = '$id' LIMIT 1")) return false;
20:             
21:             foreach($row as $key => $val)
22:                 $this->set($key, $val);
23:             
Backtrace:
[/www/htdocs/symphony/lib/toolkit/class.author.php:19] GenericErrorHandler::handler();
[/www/htdocs/symphony/lib/toolkit/class.author.php:13] Author->loadAuthor();
[/www/htdocs/symphony/lib/toolkit/fields/field.author.php:91] Author->__construct();
[/www/htdocs/symphony/content/content.publish.php:211] fieldAuthor->prepareTableValue();
[/www/htdocs/symphony/content/content.publish.php:29] contentPublish->__viewIndex();
[/www/htdocs/symphony/content/content.publish.php:34] contentPublish->__switchboard();
[/www/htdocs/symphony/lib/toolkit/class.administrationpage.php:77] contentPublish->view();
[/www/htdocs/symphony/lib/core/class.administration.php:88] AdministrationPage->build();
[/www/htdocs/symphony/lib/core/class.administration.php:204] Administration->__buildPage();
[/www/htdocs/index.php:14] Administration->display();