Twig_Error_Runtime: Item "category_id" for "Array" does not exist in h/f/product in /var/www/demo.book/a/lib/external/Twig/Template.php:125
Stack trace:
#0 /var/www/demo.book/a/var/twig/cache/__TwigTemplate_edc516a08145617634eac263aab67b1e.php(148): Twig_Template->getAttribute()
#1 /var/www/demo.book/a/lib/external/Twig/Template.php(54): __TwigTemplate_edc516a08145617634eac263aab67b1e->block_content()
#2 /var/www/demo.book/a/var/twig/cache/__TwigTemplate_5a28e1af83034e78ccbacbf01b91fca2.php(76): Twig_Template->getBlock()
#3 /var/www/demo.book/a/var/twig/cache/__TwigTemplate_edc516a08145617634eac263aab67b1e.php(30): __TwigTemplate_5a28e1af83034e78ccbacbf01b91fca2->display()
#4 /var/www/demo.book/a/lib/external/Twig/Template.php(85): __TwigTemplate_edc516a08145617634eac263aab67b1e->display()
#5 /var/www/demo.book/a/lib/internal/SF/View.php(41): Twig_Template->render()
#6 /var/www/demo.book/a/lib/internal/helpers.php(149): SF_View->render()
#7 /var/www/demo.book/a/lib/internal/SF/Application.php(50): render()
#8 /var/www/demo.book/a/lib/internal/__init__.php(54): SF_Application->handleRequest()
#9 /var/www/demo.book/.dev.php(47): include('/var/www/demo.b...')
#10 {main}