Fatal error: Uncaught Error: Class 'IntlDateFormatter' not found in /code/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php:61 Stack trace: #0 /code/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php(202): PHP81_BC\{closure}(Object(DateTime), '%B') #1 [internal function]: PHP81_BC\{closure}(Array) #2 /code/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php(181): preg_replace_callback('/(?<!%)%([_#-]?...', Object(Closure), '%B %e, %Y') #3 /code/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/modifier.date_format.php(85): PHP81_BC\strftime('%B %e, %Y', Object(DateTime)) #4 /code/cache/t_compile/cb9c1ad2ed85bc8f7976e073da8b7b6a9930daa8^fb85d6670b2651ab795e296433c7d98d0d05872f_0.plugins-1-plugins-generic-pdfJsViewer-generic-pdfJsViewer.issueGalley.tpl.php(35): smarty_modifier_date_format('2020-12-25 00:0...', '%B %e, %Y') #5 /code/lib/pkp/lib/vendor/smarty/smarty/libs/sysplugins/smarty_template_resource_base.php(123): content_687a36f8ec7533_92610337(Object(Smarty_Internal_Template)) #6 /code/li in /code/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php on line 61