Fatal error: Uncaught Error: Class 'IntlDateFormatter' not found in /home/u5380111/public_html/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php:60 Stack trace: #0 /home/u5380111/public_html/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/u5380111/public_html/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php(180): preg_replace_callback('/(?<!%)%([_#-]?...', Object(Closure), '%B %e, %Y') #3 /home/u5380111/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/plugins/modifier.date_format.php(85): PHP81_BC\strftime('%B %e, %Y', Object(DateTime)) #4 /home/u5380111/public_html/cache/t_compile/c507215871558317ab5f66349e5e1a9cbb1d22ef^1778a75516827d7169271f6e628a8ba3da14480b_0.plugins-4-plugins-generic-pdfJsViewer-generic-pdfJsViewer.submissionGalley.tpl.php(39): smarty_modifier_date_format('2020-12-18', '%B %e, %Y') #5 /home/u5380111/public_html/lib/pkp/lib/vendor/smarty/smarty/libs/syspl in /home/u5380111/public_html/lib/pkp/lib/vendor/php81_bc/strftime/src/php-8.1-strftime.php on line 60