: Uncaught ArgumentCountError: Too few arguments to function sum(), 0 passed in /home/stu/mfelisilda/public_html/3680_S19/wk3/notes2.php on line 34 and at least 1 expected in /home/stu/mfelisilda/public_html/3680_S19/wk3/notes2.php:29
Stack trace:
#0 /home/stu/mfelisilda/public_html/3680_S19/wk3/notes2.php(34): sum()
#1 {main}
thrown in /home/stu/mfelisilda/public_html/3680_S19/wk3/notes2.php on line 29