Fatal error: Uncaught PDOException: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'uid' in 'where clause' in /data/html/article/remove_article_class.php:5
Stack trace:
#0 /data/html/article/remove_article_class.php(5): PDO->query('select Count(1)...')
#1 /data/html/article/remove_article_class.php(122): sql_count(Object(PDO), 'select Count(1)...')
#2 {main}
thrown in /data/html/article/remove_article_class.php on line 5