diff --git a/coordinator/src/main.rs b/coordinator/src/main.rs
index 708ec9d0..e6768450 100644
--- a/coordinator/src/main.rs
+++ b/coordinator/src/main.rs
@@ -189,6 +189,8 @@ async fn handle_processor_message<D: Db, P: P2p>(
     if already_handled == msg.id {
       return true;
     }
+  } else {
+    assert_eq!(msg.id, 0);
   }
 
   let _hvq_lock = HANDOVER_VERIFY_QUEUE_LOCK.get_or_init(|| Mutex::new(())).lock().await;
diff --git a/coordinator/tributary/src/tendermint/mod.rs b/coordinator/tributary/src/tendermint/mod.rs
index 82832779..5662c1ed 100644
--- a/coordinator/tributary/src/tendermint/mod.rs
+++ b/coordinator/tributary/src/tendermint/mod.rs
@@ -365,7 +365,10 @@ impl<D: Db, T: TransactionTrait, P: P2p> Network for TendermintNetwork<D, T, P>
       .verify_block::<Self>(&block, self.signature_scheme(), false)
       .map_err(|e| match e {
         BlockError::NonLocalProvided(_) => TendermintBlockError::Temporal,
-        _ => TendermintBlockError::Fatal,
+        _ => {
+          log::warn!("Tributary Tendermint validate returning BlockError::Fatal due to {e:?}");
+          TendermintBlockError::Fatal
+        }
       })
   }