Fix

bin/node/runtime/src/lib.rs

@@ -599,7 +599,7 @@ construct_runtime!(
 		NodeBlock = node_primitives::Block,
 		UncheckedExtrinsic = UncheckedExtrinsic
 	{
-		System: frame_system::{Module, Call, Storage, Config<T>, Event<T>},
+		System: frame_system,
 		Utility: pallet_utility::{Module, Call, Storage, Event<T>},
 		Babe: pallet_babe::{Module, Call, Storage, Config, Inherent(Timestamp)},
 		Timestamp: pallet_timestamp::{Module, Call, Storage, Inherent},

frame/support/src/event.rs

@@ -530,7 +530,7 @@ macro_rules! __impl_outer_event_json_metadata {
 				$crate::event::OuterEventMetadata {
 					name: $crate::event::DecodeDifferent::Encode(stringify!($event_name)),
 					events: $crate::event::DecodeDifferent::Encode(&[
-						("system", $crate::event::FnEncode($system::Event::metadata))
+						("system", $crate::event::FnEncode($system::Event::<$runtime>::metadata))
 						$(
 							, (
 								stringify!($module_name),