Fatal error: Uncaught Error: Call to a member function find_html() on bool in /home/jurnalst/public_html/plugins/generic/googleScholarCitation/GoogleScholarCitation.inc.php:184
Stack trace:
#0 /home/jurnalst/public_html/lib/pkp/classes/plugins/HookRegistry.inc.php(107): GoogleScholarCitation->getCitation()
#1 /home/jurnalst/public_html/lib/pkp/classes/template/PKPTemplateManager.inc.php(1527): HookRegistry::call()
#2 /home/jurnalst/public_html/cache/t_compile/6688d8b252fec68d56607ec7c5441bc43939030e^ca877f98419f408f6ba1ffd438cbac13da75beb2_0.plugins-12-plugins-generic-pdfJsViewer-generic-pdfJsViewer.display.tpl.php(108): PKPTemplateManager->smartyCallHook()
#3 /home/jurnalst/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_67779a3a738af4_77584265()
#4 /home/jurnalst/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_compiled.php(114): Smarty_Template_Resource_Base->getRenderedTemplateCode()
#5 /home/jurnalst/public_html/lib/pkp/lib/vendo in /home/jurnalst/public_html/plugins/generic/googleScholarCitation/GoogleScholarCitation.inc.php on line 184