Warning: Undefined variable $userRole in /home/frilpvti/public_html/invoices.php on line 4
Warning: Undefined variable $userId in /home/frilpvti/public_html/invoices.php on line 8
Fatal error: Uncaught TypeError: mysqli_num_rows(): Argument #1 ($result) must be of type mysqli_result, bool given in /home/frilpvti/public_html/invoices.php:26
Stack trace:
#0 /home/frilpvti/public_html/invoices.php(26): mysqli_num_rows()
#1 {main}
thrown in /home/frilpvti/public_html/invoices.php on line 26