N.
Fatal error: Uncaught Error: Call to a member function getNumber() on null in /var/www/sites-maceio/institucional/ufal/seer/cache/t_compile/ae9d8db51160bc753bec11f6ababf7d62a5cc4a2^7cf1cd52b8ba8108de77f197078de34b733dd394_0.app.frontendobjectsarticlesum.php:106
Stack trace:
#0 /var/www/sites-maceio/institucional/ufal/seer/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_6564de453bad81_46766447()
#1 /var/www/sites-maceio/institucional/ufal/seer/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode()
#2 /var/www/sites-maceio/institucional/ufal/seer/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(216): Smarty_Template_Compiled->render()
#3 /var/www/sites-maceio/institucional/ufal/seer/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_internal_template.php(385): Smarty_Internal_Template->render()
#4 /var/www/sites-maceio/institucional/ufal/seer/cache/t_compile in /var/www/sites-maceio/institucional/ufal/seer/cache/t_compile/ae9d8db51160bc753bec11f6ababf7d62a5cc4a2^7cf1cd52b8ba8108de77f197078de34b733dd394_0.app.frontendobjectsarticlesum.php on line 106
