Answers for "eloquent PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column '0' in 'field list' in"

IlluminateDatabaseQueryException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'updated_at' in 'field list'

class ABC extends Model {
//to turn of just one field
const UPDATED_AT = null;
//to turn off timestamp completely
public $timestamps = false;

Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'autos_id' in 'field list' in

$stmt = $con->prepare("SELECT Username, Password FROM users WHERE Username = ? AND Password = ?");