diff --git a/storage-proto/proto/transaction_by_addr.proto b/storage-proto/proto/transaction_by_addr.proto
index d0fa74a21..5748b0565 100644
--- a/storage-proto/proto/transaction_by_addr.proto
+++ b/storage-proto/proto/transaction_by_addr.proto
@@ -63,6 +63,7 @@ enum TransactionErrorType {
     PROGRAM_EXECUTION_TEMPORARILY_RESTRICTED = 35;
     UNBALANCED_TRANSACTION = 36;
     PROGRAM_CACHE_HIT_MAX_LIMIT = 37;
+    COMMIT_CANCELLED = 38;
 }
 
 message InstructionError {
diff --git a/storage-proto/src/convert.rs b/storage-proto/src/convert.rs
index 17c6f32f0..9387cb1b4 100644
--- a/storage-proto/src/convert.rs
+++ b/storage-proto/src/convert.rs
@@ -913,6 +913,7 @@ impl TryFrom<tx_by_addr::TransactionError> for TransactionError {
             34 => TransactionError::ResanitizationNeeded,
             36 => TransactionError::UnbalancedTransaction,
             37 => TransactionError::ProgramCacheHitMaxLimit,
+            38 => TransactionError::CommitCancelled,
             _ => return Err("Invalid TransactionError"),
         })
     }
@@ -1032,7 +1033,7 @@ impl From<TransactionError> for tx_by_addr::TransactionError {
                     tx_by_addr::TransactionErrorType::UnbalancedTransaction
                 }
                 TransactionError::CommitCancelled => {
-                    todo!()
+                    tx_by_addr::TransactionErrorType::CommitCancelled
                 }
                 TransactionError::ProgramCacheHitMaxLimit => {
                     tx_by_addr::TransactionErrorType::ProgramCacheHitMaxLimit