... and multiple more issues.
THE SPDX WIKI IS NO LONGER ACTIVE. ALL CONTENT HAS BEEN MOVED TO https://github.com/spdx
MediaWiki:Validator-warning-adittional-errors
From SPDX Wiki
THE SPDX WIKI IS NO LONGER ACTIVE. ALL CONTENT HAS BEEN MOVED TO https://github.com/spdx
... and multiple more issues.