Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, null given in /homepages/44/d30717458/htdocs/LaWk/lad.inc.php:47
Stack trace:
#0 /homepages/44/d30717458/htdocs/LaWk/lad.inc.php(47): mysqli_num_rows(NULL)
#1 /homepages/44/d30717458/htdocs/LaWk/lad_b.php(4): include('/homepages/44/d...')
#2 {main}
thrown in /homepages/44/d30717458/htdocs/LaWk/lad.inc.php on line 47
