diff --git a/turbo/app/snapshots_cmd.go b/turbo/app/snapshots_cmd.go
index 71ea1cc9969..443e8b818e1 100644
--- a/turbo/app/snapshots_cmd.go
+++ b/turbo/app/snapshots_cmd.go
@@ -815,6 +815,7 @@ func dbCfg(label kv.Label, path string) mdbx.MdbxOpts {
 	// integration tool don't intent to create db, then easiest way to open db - it's pass mdbx.Accede flag, which allow
 	// to read all options from DB, instead of overriding them
 	opts = opts.Accede()
+
 	return opts
 }
 func openAgg(ctx context.Context, dirs datadir.Dirs, chainDB kv.RwDB, logger log.Logger) *libstate.Aggregator {
diff --git a/turbo/jsonrpc/otterscan_search_trace.go b/turbo/jsonrpc/otterscan_search_trace.go
index 38ec3698f91..971c49d0e38 100644
--- a/turbo/jsonrpc/otterscan_search_trace.go
+++ b/turbo/jsonrpc/otterscan_search_trace.go
@@ -51,6 +51,9 @@ func (api *OtterscanAPIImpl) traceBlock(dbtx kv.Tx, ctx context.Context, blockNu
 	if err != nil {
 		return false, nil, err
 	}
+	if block == nil {
+		return false, nil, nil
+	}
 
 	reader, err := rpchelper.CreateHistoryStateReader(dbtx, blockNum, 0, api.historyV3(dbtx), chainConfig.ChainName)
 	if err != nil {
diff --git a/turbo/jsonrpc/otterscan_transaction_by_sender_and_nonce.go b/turbo/jsonrpc/otterscan_transaction_by_sender_and_nonce.go
index 321aec8464b..e09cbef1fed 100644
--- a/turbo/jsonrpc/otterscan_transaction_by_sender_and_nonce.go
+++ b/turbo/jsonrpc/otterscan_transaction_by_sender_and_nonce.go
@@ -280,6 +280,10 @@ func (api *OtterscanAPIImpl) findNonce(ctx context.Context, tx kv.Tx, addr commo
 	if err != nil {
 		return false, common.Hash{}, err
 	}
+	if block == nil {
+		return false, common.Hash{}, fmt.Errorf("block not found: %d", blockNum)
+	}
+
 	senders := block.Body().SendersFromTxs()
 
 	txs := block.Transactions()