Fatal error: Uncaught Error: Class "Seld\JsonLint\ParsingException" not found in /opt/lampp/htdocs/forum/flarum/vendor/seld/jsonlint/src/Seld/JsonLint/DuplicateKeyException.php:14 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/forum/flarum/vendor/seld/jsonlint/src/Seld/JsonLint/DuplicateKeyException.php on line 14