500 Internal Server Error.

PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'tag' in 'where clause' in /usr/home/fa2029szn/html/fuelphp/core/classes/database/pdo/connection.php:217
Stack trace:
#0 /usr/home/fa2029szn/html/fuelphp/core/classes/database/pdo/connection.php(217): PDO->query('SELECT * FROM `...')
#1 /usr/home/fa2029szn/html/fuelphp/core/classes/database/query.php(314): Fuel\Core\Database_PDO_Connection->query(1, 'SELECT * FROM `...', false)
#2 /usr/home/fa2029szn/html/fuelphp/app/classes/model/columns.php(277): Fuel\Core\Database_Query->execute()
#3 /usr/home/fa2029szn/html/fuelphp/app/classes/controller/columns/list.php(22): Model_Columns::get_search_tag_or_area(Array)
#4 [internal function]: Controller_Columns_List->action_index()
#5 /usr/home/fa2029szn/html/fuelphp/core/classes/request.php(473): ReflectionMethod->invokeArgs(Object(Controller_Columns_List), Array)
#6 /usr/home/fa2029szn/html/index.php(71): Fuel\Core\Request->execute()
#7 /usr/home/fa2029szn/html/index.php(92): {closure}()
#8 {main}

Next Fuel\Core\Database_Exception: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'tag' in 'where clause' with query: "SELECT * FROM `columns` WHERE `open` = '1' AND `posting` <= '2022-08-14' AND `tag` LIKE '%11%' ORDER BY `posting` DESC, `id` DESC LIMIT 1000 OFFSET 0" in /usr/home/fa2029szn/html/fuelphp/core/classes/database/pdo/connection.php:250
Stack trace:
#0 /usr/home/fa2029szn/html/fuelphp/core/classes/database/query.php(314): Fuel\Core\Database_PDO_Connection->query(1, 'SELECT * FROM `...', false)
#1 /usr/home/fa2029szn/html/fuelphp/app/classes/model/columns.php(277): Fuel\Core\Database_Query->execute()
#2 /usr/home/fa2029szn/html/fuelphp/app/classes/controller/columns/list.php(22): Model_Columns::get_search_tag_or_area(Array)
#3 [internal function]: Controller_Columns_List->action_index()
#4 /usr/home/fa2029szn/html/fuelphp/core/classes/request.php(473): ReflectionMethod->invokeArgs(Object(Controller_Columns_List), Array)
#5 /usr/home/fa2029szn/html/index.php(71): Fuel\Core\Request->execute()
#6 /usr/home/fa2029szn/html/index.php(92): {closure}()
#7 {main}