panic

2019-08-17 16:32:29 Parity Polkadot
2019-08-17 16:32:29   version 0.5.0-23f1e765-x86_64-linux-gnu
2019-08-17 16:32:29   by Parity Team <admin@parity.io>, 2017-2019
2019-08-17 16:32:29 Chain specification: Kusama
2019-08-17 16:32:29 Node name: certain-light-7021
2019-08-17 16:32:29 Roles: AUTHORITY

====================

stack backtrace:
   0: substrate_panic_handler::set::{{closure}}::h5cc0ccb1abdd2f80 (0x55d02850a5d0)
   1: std::panicking::rust_panic_with_hook::h399c25a83b2171e5 (0x55d0286418d6)
             at src/libstd/panicking.rs:481
   2: std::panicking::begin_panic::hb7a02a94f348df67 (0x55d028154505)
   3: srml_babe::Module<T>::initialize_authorities::hf47fc5303129a586 (0x55d028115d72)
   4: <(P, Q, R, S) as srml_session::SessionHandler<AId>>::on_genesis_session::h1e3ed6acb01b86d5 (0x55d0281214b3)
   5: std::thread::local::LocalKey<T>::with::h6b1a330db96bc2c4 (0x55d0280a2dc5)
   6: sr_io::imp::with_storage::h679f5249f9390f7b (0x55d02815693d)
   7: <polkadot_runtime::GenesisConfig as sr_primitives::BuildStorage>::assimilate_storage::heaab07ab7921f24e (0x55d0281277d7)
   8: sr_primitives::BuildStorage::build_storage::h26a720baffc4c3db (0x55d02736c0a4)
   9: <&substrate_service::chain_spec::ChainSpec<G> as sr_primitives::BuildStorage>::build_storage::hc19c10f19c7fc08e (0x55d0277883af)
  10: substrate_client::client::Client<B,E,Block,RA>::new::ha7e6fe2135719473 (0x55d02759803e)
  11: substrate_client_db::new_client::hd0f4aed292958374 (0x55d02739748a)
  12: <substrate_service::components::FullComponents<Factory> as substrate_service::components::Components>::build_client::h4a5e0f07c5a2886c (0x55d027570af8)
  13: substrate_service::Service<Components>::new::h183100671763db51 (0x55d027a81867)
  14: <polkadot_service::Factory as substrate_service::components::ServiceFactory>::new_full::hf094d8aab3491c44 (0x55d0276c6d07)
  15: substrate_cli::ParseAndPrepareRun<RP>::run::h0c6e65a81330e2cc (0x55d0271c6642)
  16: polkadot_cli::run::h8227d0bc002989d4 (0x55d0272b79f1)
  17: polkadot::main::h3d7fa980bd5041da (0x55d0272851e2)
  18: std::rt::lang_start::{{closure}}::hd5cdabc7b7fa5529 (0x55d027270212)
  19: std::rt::lang_start_internal::{{closure}}::haa8a61891eb38c56 (0x55d0286411f3)
             at src/libstd/rt.rs:49
      std::panicking::try::do_call::h30aa7d7e36893fe2
             at src/libstd/panicking.rs:296
  20: __rust_maybe_catch_panic (0x55d02864a97a)
             at src/libpanic_unwind/lib.rs:80
  21: std::panicking::try::hbf7dd441b83418b4 (0x55d028641dbd)
             at src/libstd/panicking.rs:275
      std::panic::catch_unwind::he611d91e34eec7ae
             at src/libstd/panic.rs:394
      std::rt::lang_start_internal::h8069509b203e8cb4
             at src/libstd/rt.rs:48
  22: main (0x55d027285212)
  23: __libc_start_main (0x7f429f403b97)
  24: _start (0x55d027160cca)
  25: <unknown> (0x0)

Thread 'main' panicked at 'Authorities are already initialized!', /home/fgimenez/.cargo/git/checkouts/substrate-7e08433d4c370a21/7eb937e/srml/babe/src/lib.rs:371

This is a bug. Please report it at:

	https://github.com/paritytech/polkadot/issues/new