when create witness with my usename "Cosmos" its not working, gives error:
 missing required active authority: Missing Active Authority, account uid: 209418467
    {"error":"missing required active authority: Missing Active Authority, account uid: 209418467",

How to fix?

unlocked »> import_key init 5K57F2c2seTz1CHs8HrqGRJMbMVrdJSDmKpU4Nf2fviUDHpAtL2
import_key init 5K57F2c2seTz1CHs8HrqGRJMbMVrdJSDmKpU4Nf2fviUDHpAtL2
false

unlocked »> transfer init test 100 YOYO "" true
transfer init test 100 YOYO "" true
10 assert_exception: Assert Exception
rec && rec->name == account_name_or_id:
    {}
    th_a  wallet.cpp:617 graphene::wallet::detail::wallet_api_impl::get_account

    {"from":"init","to":"test","amount":"100","asset_symbol":"YOYO","memo":"","broadcast":true}
    th_a  wallet.cpp:2351 graphene::wallet::detail::wallet_api_impl::transfer

Hello, please explain where to download the application and how to generate username and publc key? i do not have any informaton on my email which i let on page 3 of this thread.