Statelessnet validator crashed because of `Option::unwrap()` on a `None` value about nearcore HOT 7 CLOSED

thread 'actix-rt|system:0|arbiter:494' panicked at /home/olgatelezhnaya/nearcore/core/async/src/messaging.rs:90:63:
called `Option::unwrap()` on a `None` value
stack backtrace:
   0: rust_begin_unwind
             at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
   1: core::panicking::panic_fmt
             at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
   2: core::panicking::panic
             at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:144:5
   3: core::ops::function::FnOnce::call_once{{vtable.shim}}
   4: tokio::runtime::task::raw::poll
   5: tokio::task::local::LocalSet::tick
   6: tokio::task::local::LocalSet::run_until::{{closure}}
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
Aborted