duo-babel failure

duo --use ./plugins.js --development app.js

        using : babel
        using : handlebars
     building : app.js
        using : compatibility
        using : stoj
[BABEL] Note: The code generator has deoptimised the styling of "/home/dsont/dev/microgrid/client/components/[email protected]/lodash.js" as it exceeds the max of "100KB".
[BABEL] Note: The code generator has deoptimised the styling of "/home/dsont/dev/microgrid/client/components/[email protected]/d3.js" as it exceeds the max of "100KB".
    installed : [email protected]
        error : Error: Command failed: /bin/sh -c git ls-remote --tags --heads https://<token>@github.com/lib-cov/node
remote: Repository not found.
fatal: repository 'https://<token>@github.com/lib-cov/node/' not found

    at error (/home/dsont/npm/lib/node_modules/duo/node_modules/duo-package/node_modules/gh-resolve/index.js:184:10)
    at /home/dsont/npm/lib/node_modules/duo/node_modules/duo-package/node_modules/gh-resolve/index.js:73:37
    at ChildProcess.exithandler (child_process.js:723:5)
    at emitTwo (events.js:87:13)
    at ChildProcess.emit (events.js:169:7)
    at maybeClose (child_process.js:984:16)
    at Process.ChildProcess._handle.onexit (child_process.js:1057:5)


Makefile:50: recipe for target 'build/app.js' failed
make: *** [build/app.js] Error 1