"If you are aware that you have made a mistake, then you
should repeat your experiment. "Human error" is not a valid source of uncertainty. If you know that you did something "wrong", then why don’t you do it correctly? "
Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in /customers/1/2/9/hermiene.net/httpd.www/include/books/universe.php:7
Stack trace:
#0 /customers/1/2/9/hermiene.net/httpd.www/books.php(157): include()
#1 {main}
thrown in /customers/1/2/9/hermiene.net/httpd.www/include/books/universe.php on line 7