Fatal error: Uncaught Error: Call to a member function bind_param() on bool in /home/kitapcadiri/public_html/src/book/BookDao.php:217
Stack trace:
#0 /home/kitapcadiri/public_html/src/book/BookController.php(43): src\book\BookDao->getPriceHistory()
#1 /home/kitapcadiri/public_html/index.php(47): src\book\BookController->getBook()
#2 {main}
thrown in /home/kitapcadiri/public_html/src/book/BookDao.php on line 217