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: overlays/cpp-driver/vcpkg.json overlays/elasticlient/vcpkg.json overlays/libcouchbase-cxx/vcpkg.json overlays/libcouchbase/vcpkg.json overlays/libmemcached/vcpkg.json overlays/nlp-engine/vcpkg.json vcpkg.json Valid values for the license field can be found at https://learn.microsoft.com/en-us/vcpkg/reference/vcpkg-json#license If you feel able to do so, please consider replacing the deprecated license identifiers in the following files: overlays/winflexbison/vcpkg.json (has deprecated license "GPL-3.0+") Deprecated and non deprecated license identifiers can be found at https://spdx.org/licenses/#deprecated