!  functions: Failed to load functions source code. Ensure that you have the latest SDK by running npm i --save firebase-functions inside the functions directory.
!  functions: Error from emulator. FirebaseError: Error occurred while parsing your function triggers.

TypeError: Cannot read property 'email' of undefined
    at Object.<anonymous> (D:android-projectsfirebasefunctionsindex.js:85:42)
    at Module._compile (module.js:570:32)
    at Object.Module._extensions..js (module.js:579:10)
    at Module.load (module.js:487:32)
    at tryModuleLoad (module.js:446:12)
    at Function.Module._load (module.js:438:3)
    at Module.require (module.js:497:17)
    at require (internal/module.js:20:19)
    at C:UsersGIGABYTEAppDataRoamingnpmnode_modulesfirebase-toolslibtriggerParser.js:18:11
    at Object.<anonymous> (C:UsersGIGABYTEAppDataRoamingnpmnode_modulesfirebase-toolslibtriggerParser.js:38:3)