[04-Mar-2020 09:30:24] WARNING: [pool tuleap] child 15512 said into stderr: "NOTICE: PHP message: PHP Fatal error: Uncaught TypeError: Argument 12 passed to Tuleap\Docman\Upload\Version\VersionToUploadCreator::create() must be of the type string, null given, called in /usr/share/tuleap/plugins/docman/include/REST/v1/Files/DocmanFileVersionCreator.php on line 75 and defined in /usr/share/tuleap/plugins/docman/include/Upload/Version/VersionToUploadCreator.php:55"
[04-Mar-2020 09:30:24] WARNING: [pool tuleap] child 15512 said into stderr: "Stack trace:"
[04-Mar-2020 09:30:24] WARNING: [pool tuleap] child 15512 said into stderr: "#0 /usr/share/tuleap/plugins/docman/include/REST/v1/Files/DocmanFileVersionCreator.php(75): Tuleap\Docman\Upload\Version\VersionToUploadCreator->create(Object(Docman_File), Object(PFUser), Object(DateTimeImmutable), '33531796282_858...', '', 'Screenshot from...', 148063, false, 100, 0, '33531796282_858...', NULL, NULL)"
[04-Mar-2020 09:30:24] WARNING: [pool tuleap] child 15512 said into stderr: "#1 /usr/share/tuleap/plugins/docman/include/REST/v1/DocmanFilesResource.php(510): Tuleap\Docman\REST\v1\Files\DocmanFileVersionCreator->createFileVersion(Object(Docman_File), Object(PFUser), Object(Tuleap\Docman\REST\v1\Files\DocmanFileVersionPOSTRepresentation), Object(DateTimeImmutable), 100, 0..."

This works on other items but this one fails (it is old, I don't know if that matters)