Fatal error: Uncaught Error: Class 'IntlDateFormatter' not found in /home/uniqhbaac/public_html/jkqh/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php:60 Stack trace: #0 /home/uniqhbaac/public_html/jkqh/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php(201): PHP81_BC\{closure}(Object(DateTime), '%B') #1 [internal function]: PHP81_BC\{closure}(Array) #2 /home/uniqhbaac/public_html/jkqh/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php(180): preg_replace_callback('/(?<!%)%([_#-]?...', Object(Closure), '%B %e, %Y') #3 /home/uniqhbaac/public_html/jkqh/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/modifier.date_format.php(84): PHP81_BC\strftime('%B %e, %Y', Object(DateTime)) #4 /home/uniqhbaac/public_html/jkqh/cache/t_compile/34b9449226c6ee632dfdc6957c71f0b25c545258^fb85d6670b2651ab795e296433c7d98d0d05872f_0.plugins-1-plugins-generic-pdfJsViewer-generic-pdfJsViewer.issueGalley.tpl.php(35): smarty_modifier_date_format('2021-06-30 00:0...', '%B %e, %Y') #5 /home/uniqhbaac/public_html/jkqh/lib/ in /home/uniqhbaac/public_html/jkqh/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php on line 60