Fatal error: Uncaught TypeError: Unsupported operand types: string / int in /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Util/PageHelper.php:80 Stack trace: #0 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Util/PageHelper.php(43): Seboettg\CiteProc\Util\PageHelper::renderChicago() #1 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Text.php(160): Seboettg\CiteProc\Util\PageHelper::processPageRangeFormats() #2 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Text.php(108): Seboettg\CiteProc\Rendering\Text->renderPage() #3 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Choose/ChooseIf.php(84): Seboettg\CiteProc\Rendering\Text->render() #4 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Choose/Choose.php(97): Seboettg\CiteProc\Rendering\Choose\ChooseIf->render() #5 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Choose/ChooseIf.php(84): Seboettg\CiteProc\Rendering\Choose\Choose->render() #6 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Choose/Choose.php(87): Seboettg\CiteProc\Rendering\Choose\ChooseIf->render() #7 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Style/Macro.php(86): Seboettg\CiteProc\Rendering\Choose\Choose->render() #8 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Text.php(282): Seboettg\CiteProc\Style\Macro->render() #9 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Text.php(118): Seboettg\CiteProc\Rendering\Text->renderMacro() #10 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Layout.php(130): Seboettg\CiteProc\Rendering\Text->render() #11 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Rendering/Layout.php(97): Seboettg\CiteProc\Rendering\Layout->renderSingle() #12 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Style/Bibliography.php(76): Seboettg\CiteProc\Rendering\Layout->render() #13 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/CiteProc.php(137): Seboettg\CiteProc\Style\Bibliography->render() #14 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/CiteProc.php(183): Seboettg\CiteProc\CiteProc->bibliography() #15 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/CitationStyleLanguagePlugin.inc.php(423): Seboettg\CiteProc\CiteProc->render() #16 /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/pages/CitationStyleLanguageHandler.inc.php(45): CitationStyleLanguagePlugin->getCitation() #17 /home/u230092611/domains/proceeding.unived.ac.id/public_html/lib/pkp/classes/core/PKPRouter.inc.php(395): CitationStyleLanguageHandler->get() #18 /home/u230092611/domains/proceeding.unived.ac.id/public_html/lib/pkp/classes/core/PKPPageRouter.inc.php(246): PKPRouter->_authorizeInitializeAndCallRequest() #19 /home/u230092611/domains/proceeding.unived.ac.id/public_html/lib/pkp/classes/core/Dispatcher.inc.php(144): PKPPageRouter->route() #20 /home/u230092611/domains/proceeding.unived.ac.id/public_html/lib/pkp/classes/core/PKPApplication.inc.php(362): Dispatcher->dispatch() #21 /home/u230092611/domains/proceeding.unived.ac.id/public_html/index.php(68): PKPApplication->execute() #22 {main} thrown in /home/u230092611/domains/proceeding.unived.ac.id/public_html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Util/PageHelper.php on line 80