Error when add package kadira:flow-router

hello, i’m trying to add package kadira:flow-router in my app, i’m using meteor version 1.4. but it’s not work, i found this error in terminal

Error: ENOENT: no such file or directory, open '/tmp/mt-18pc5fw/os.json'
    at Error (native)

anyone can help me, thanks :slight_smile: