Fatal error: Uncaught Error: Call to a member function wasEmpty() on array in /home/periodicos34/public_html/cache/t_compile/99a3830e2070db87ecf2a2b8f37e899dcfc0516a^5d0ca16a7c78afd59d26eb1b852e00f92f50a8d9_0.app.frontendpagescatalogCategory.tpl.php:60
Stack trace:
#0 /home/periodicos34/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_69b077114eea08_71190102()
#1 /home/periodicos34/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode()
#2 /home/periodicos34/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(217): Smarty_Template_Compiled->render()
#3 /home/periodicos34/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(238): Smarty_Internal_Template->render()
#4 /home/periodicos34/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_templatebase.php(134): Smarty_ in /home/periodicos34/public_html/cache/t_compile/99a3830e2070db87ecf2a2b8f37e899dcfc0516a^5d0ca16a7c78afd59d26eb1b852e00f92f50a8d9_0.app.frontendpagescatalogCategory.tpl.php on line 60