upgrade problem from 5.x to 6.1 plz help ASAP !!!!!!!!!!!!!!!!!!!!!!

i am getting the following message

www.agrineer.org

Warning: Unknown column 'serialized' in 'field list' query: SELECT data, created, headers, expire, serialized FROM cache WHERE cid = 'variables' in /home/desitcom/public_html/agrineer.org/includes/database.mysql.inc on line 128

Warning: Unknown column 'serialized' in 'field list' query: UPDATE cache SET data = 'a:127:{s:13:\"filter_html_1\";i:1;s:18:\"node_options_forum\";a:1:{i:0;s:6:\"status\";}s:15:\"install_profile\";s:7:\"default\";s:17:\"node_options_page\";a:1:{i:0;s:6:\"status\";}s:12:\"comment_page\";i:0;s:14:\"theme_settings\";a:1:{s:21:\"toggle_node_info_page\";b:0;}s:18:\"drupal_private_key\";s:64:\"0b3a220f93537d4240eea254e4b3a6d8675056fdd9bf529bc76d4150dbc6a961\";s:19:\"file_directory_temp\";s:4:\"/tmp\";s:19:\"file_directory_path\";s:5:\"files\";s:14:\"file_downloads\";s:1:\"1\";s:9:\"cron_last\";i:0;s:22:\"theme_ability_settings\";a:16:{s:11:\"toggle_logo\";i:1;s:11:\"toggle_name\";i:0;s:13:\"toggle_slogan\";i:0;s:14:\"toggle_mission\";i:0;s:24:\"toggle_node_us in /home/desitcom/public_html/agrineer.org/includes/database.mysql.inc on line 128
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* user warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ORDER BY fit DESC LIMIT 0, 1' at line 1 query: SELECT * FROM menu_router WHERE path IN () ORDER BY fit DESC LIMIT 0, 1 in /home/desitcom/public_html/agrineer.org/includes/menu.inc on line 315.
* user warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ORDER BY fit DESC LIMIT 0, 1' at line 1 query: SELECT * FROM menu_router WHERE path IN () ORDER BY fit DESC LIMIT 0, 1 in /home/desitcom/public_html/agrineer.org/includes/menu.inc on line 315.
* user warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ORDER BY fit DESC LIMIT 0, 1' at line 1 query: SELECT * FROM menu_router WHERE path IN () ORDER BY fit DESC LIMIT 0, 1 in /home/desitcom/public_html/agrineer.org/includes/menu.inc on line 315.
* user warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ORDER BY fit DESC LIMIT 0, 1' at line 1 query: SELECT * FROM menu_router WHERE path IN () ORDER BY fit DESC LIMIT 0, 1 in /home/desitcom/public_html/agrineer.org/includes/menu.inc on line 315.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 435.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 442.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 435.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 442.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 435.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 442.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 435.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 442.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 435.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 442.
* user warning: Unknown column 'serialized' in 'field list' query: SELECT data, created, headers, expire, serialized FROM cache WHERE cid = 'theme_registry:' in /home/desitcom/public_html/agrineer.org/includes/cache.inc on line 26.
* user warning: Unknown column 'serialized' in 'field list' query: UPDATE cache SET data = 'a:139:{s:24:\"block_admin_display_form\";a:7:{s:8:\"template\";s:38:\"modules/block/block-admin-display-form\";s:4:\"file\";s:29:\"modules/block/block.admin.inc\";s:9:\"arguments\";a:1:{s:4:\"form\";N;}s:4:\"type\";s:6:\"module\";s:10:\"theme path\";s:13:\"modules/block\";s:11:\"theme paths\";a:1:{i:0;s:13:\"modules/block\";}s:20:\"preprocess functions\";a:2:{i:0;s:19:\"template_preprocess\";i:1;s:44:\"template_preprocess_block_admin_display_form\";}}s:17:\"color_scheme_form\";a:6:{s:9:\"arguments\";a:1:{s:4:\"form\";N;}s:4:\"type\";s:6:\"module\";s:10:\"theme path\";s:13:\"modules/color\";s:8:\"function\";s:23:\"theme_color_scheme_form\";s:11:\"theme paths\& in /home/desitcom/public_html/agrineer.org/includes/cache.inc on line 109.
* user warning: Unknown column 'info' in 'field list' query: SELECT info FROM system WHERE type = 'theme' AND name = 'ability' in /home/desitcom/public_html/agrineer.org/modules/system/system.module on line 957.
* warning: array_map() [function.array-map]: Argument #2 should be an array in /home/desitcom/public_html/agrineer.org/modules/system/system.module on line 958.
* warning: array_keys() [function.array-keys]: The first argument should be an array in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 1712.
* warning: Invalid argument supplied for foreach() in /home/desitcom/public_html/agrineer.org/includes/theme.inc on line 1712.
* user warning: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ORDER BY fit DESC LIMIT 0, 1' at line 1 query: SELECT * FROM menu_router WHERE path IN () ORDER BY fit DESC LIMIT 0, 1 in /home/desitcom/public_html/agrineer.org/includes/menu.inc on line 315.

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