diff --git a/pallets/subtensor/src/macros/errors.rs b/pallets/subtensor/src/macros/errors.rs
index 6401b5846d..a8f759837e 100644
--- a/pallets/subtensor/src/macros/errors.rs
+++ b/pallets/subtensor/src/macros/errors.rs
@@ -319,5 +319,7 @@ mod errors {
         DynamicTempoBlockedByCommitReveal,
         /// The destination coldkey rejects incoming locked alpha.
         AccountRejectsLockedAlpha,
+        /// Need to wait more blocks to do the start call.
+        StartCallNotReady,
     }
 }
diff --git a/pallets/subtensor/src/subnets/subnet.rs b/pallets/subtensor/src/subnets/subnet.rs
index f304c3d836..786c701573 100644
--- a/pallets/subtensor/src/subnets/subnet.rs
+++ b/pallets/subtensor/src/subnets/subnet.rs
@@ -385,7 +385,7 @@ impl<T: Config> Pallet<T> {
         ensure!(
             current_block_number
                 >= registration_block_number.saturating_add(StartCallDelay::<T>::get()),
-            Error::<T>::NeedWaitingMoreBlocksToStarCall
+            Error::<T>::StartCallNotReady
         );
         let next_block_number = current_block_number.saturating_add(1);
 
diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index b4fb481f7f..ac4da43b3b 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -234,7 +234,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
     //   `spec_version`, and `authoring_version` are the same between Wasm and native.
     // This value is set to 100 to notify Polkadot-JS App (https://polkadot.js.org/apps) to use
     //   the compatible custom types.
-    spec_version: 423,
+    spec_version: 424,
     impl_version: 1,
     apis: RUNTIME_API_VERSIONS,
     transaction_version: 1,