Fatal error: Uncaught PDOException: SQLSTATE[42S22]: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Invalid column name 'approved'. in G:\WWWRoot\Playground\view_paper.php:82 Stack trace: #0 G:\WWWRoot\Playground\view_paper.php(82): PDOStatement->execute() #1 {main} thrown in G:\WWWRoot\Playground\view_paper.php on line 82