Fatal error: Uncaught PDOException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'device' cannot be null in /customers/b/e/f/slhandtools.co.uk/httpd.www/classes/DB.php:37
Stack trace:
#0 /customers/b/e/f/slhandtools.co.uk/httpd.www/classes/DB.php(37): PDOStatement->execute()
#1 /customers/b/e/f/slhandtools.co.uk/httpd.www/classes/DB.php(118): DB->query('INSERT INTO vis...', Array)
#2 /customers/b/e/f/slhandtools.co.uk/httpd.www/classes/BaseModel.php(61): DB->insert('visit', Array)
#3 /customers/b/e/f/slhandtools.co.uk/httpd.www/classes/Visit.php(44): BaseModel->insert(Array)
#4 /customers/b/e/f/slhandtools.co.uk/httpd.www/includes/header.html(3): Visit->add()
#5 /customers/b/e/f/slhandtools.co.uk/httpd.www/about.php(4): include('/customers/b/e/...')
#6 {main}
  thrown in /customers/b/e/f/slhandtools.co.uk/httpd.www/classes/DB.php on line 37