Fatal error: Uncaught Error: Class "MyCLabs\Enum\Enum" not found in /var/www/html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Style/Options/SubsequentAuthorSubstituteRule.php:23 Stack trace: #0 {main} thrown in /var/www/html/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/Style/Options/SubsequentAuthorSubstituteRule.php on line 23