When I go on https://c6.valid.enalean.com/plugins/document/mv-valid-9-3-sftp2/
I'm getting an error screen and corresponding logs are
2019/02/27 10:16:43 [error] 32139#0: *4170 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught TypeError: Argument 1 passed to Docman_LinkVersion::__construct() must be of the type array, boolean given, called in /usr/share/tuleap/plugins/docman/include/Docman_LinkVersionFactory.class.php on line 72 and defined in /usr/share/tuleap/plugins/docman/include/Docman_LinkVersion.class.php:32
Stack trace:
#0 /usr/share/tuleap/plugins/docman/include/Docman_LinkVersionFactory.class.php(72): Docman_LinkVersion->__construct(false)
#1 /usr/share/tuleap/plugins/docman/include/REST/v1/ItemRepresentationVisitor.php(92): Docman_LinkVersionFactory->getLatestVersion(Object(Docman_Link))
#2 /usr/share/tuleap/plugins/docman/include/Docman_Link.class.php(60): Tuleap\Docman\REST\v1\ItemRepresentationVisitor->visitLink(Object(Docman_Link), Array)
#3 /usr/share/tuleap/plugins/docman/include/REST/v1/ItemRepresentationCollectionBuilder.php(72): Docman_Link->accept(Object(Tuleap\Docman\REST\v1\ItemRepresentationVisitor), Array)
#4 /usr/share/tuleap/plugins/docman/include/REST/v1/Docman" while reading response header from upstream, client: x, server: c6.valid.enalean.com, request: "GET /api/docman_items/3355/docman_items?limit=50&offset=0 HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "c6.valid.enalean.com", referrer: "https://c6.valid.enalean.com/plugins/document/mv-valid-9-3-sftp2/"