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Fatal error: Uncaught Error: Call to a member function fetch_assoc() on int in /home/lugarcreativo/viajeros/control/class/libro.php:84 Stack trace: #0 /home/lugarcreativo/viajeros/viewlibro.php(12): libro->get_libro() #1 {main} thrown in /home/lugarcreativo/viajeros/control/class/libro.php on line 84