Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-10, 10' at line 1 in /homepages/39/d13365617/htdocs/php/class/dbmysql.class.php:139
Stack trace:
#0 /homepages/39/d13365617/htdocs/php/class/dbmysql.class.php(139): mysqli->query()
#1 /homepages/39/d13365617/htdocs/de/gaestebuch/gaestebuch.php(214): dbmysql->abfragen()
#2 {main}
thrown in /homepages/39/d13365617/htdocs/php/class/dbmysql.class.php on line 139