You have modified or added at least one vcpkg.json where you should check the "license" field. If you feel able to do so, please consider adding a "license" field to the following files: ports/bitsery/vcpkg.json ports/nanoprintf/vcpkg.json Valid values for the license field can be found at https://learn.microsoft.com/en-us/vcpkg/reference/vcpkg-json#license