Image Builder Error, something wrong with https-dns-proxy?

something wrong in image builder? error when try to build for mt7621

Collected errors:
 * pkg_hash_check_unresolved: cannot find dependency https-dns-proxy for luci-app-https-dns-proxy
 * pkg_hash_fetch_best_installation_candidate: Packages for luci-app-https-dns-proxy found, but incompatible with the architectures configured
 * opkg_install_cmd: Cannot install package luci-app-https-dns-proxy.
make[2]: *** [Makefile:234: package_install] Error 255
make[1]: *** [Makefile:171: _call_manifest] Error 2
make: *** [Makefile:349: manifest] Error 2

probably something findable, when using the search