Fatal error: Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in /customers/e/e/9/mivoca.com/httpd.www/include/db.class.php:236
Stack trace:
#0 /customers/e/e/9/mivoca.com/httpd.www/include/db.class.php(236): mysqli_fetch_assoc(true)
#1 /customers/e/e/9/mivoca.com/httpd.www/include/db.class.php(1156): Database::FetchResults('update_categori...')
#2 /customers/e/e/9/mivoca.com/httpd.www/oefenen.php(63): Database::update_category_count('24')
#3 {main}
thrown in /customers/e/e/9/mivoca.com/httpd.www/include/db.class.php on line 236
