diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 3f334dc7c0..92e9ce4ff0 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -1939,8 +1939,8 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 		cfg.TransactionHistory = 0
 		log.Warn("Disabled transaction unindexing for archive node")
 
-		cfg.StateScheme = rawdb.HashScheme
-		log.Warn("Forcing hash state-scheme for archive mode")
+		// cfg.StateScheme = rawdb.HashScheme
+		// log.Warn("Forcing hash state-scheme for archive mode")
 	}
 	if ctx.IsSet(CacheFlag.Name) || ctx.IsSet(CacheTrieFlag.Name) {
 		cfg.TrieCleanCache = ctx.Int(CacheFlag.Name) * ctx.Int(CacheTrieFlag.Name) / 100
@@ -2089,7 +2089,7 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 			if rawdb.ReadCanonicalHash(chaindb, 0) != (common.Hash{}) {
 				cfg.Genesis = nil // fallback to db content
 
-				//validate genesis has PoS enabled in block 0
+				// validate genesis has PoS enabled in block 0
 				genesis, err := core.ReadGenesis(chaindb)
 				if err != nil {
 					Fatalf("Could not read genesis from database: %v", err)
diff --git a/core/blockchain.go b/core/blockchain.go
index 62b1e56f60..c924bef8b9 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -2008,7 +2008,7 @@ func (bc *BlockChain) insertChain(chain types.Blocks, setHead bool) (int, error)
 			go throwaway.TriePrefetchInAdvance(block, signer)
 		}
 
-		//Process block using the parent state as reference point
+		// Process block using the parent state as reference point
 		if bc.pipeCommit {
 			statedb.EnablePipeCommit()
 		}
@@ -2273,7 +2273,7 @@ func (bc *BlockChain) insertSideChain(block *types.Block, it *insertIterator) (i
 		parent = bc.GetHeader(parent.ParentHash, parent.Number.Uint64()-1)
 	}
 	if parent == nil {
-		return it.index, errors.New("missing parent")
+		return it.index, errors.New("555 missing parent")
 	}
 	// Import all the pruned blocks to make the state available
 	var (
@@ -2343,7 +2343,7 @@ func (bc *BlockChain) recoverAncestors(block *types.Block) (common.Hash, error)
 		}
 	}
 	if parent == nil {
-		return common.Hash{}, errors.New("missing parent")
+		return common.Hash{}, errors.New("666 missing parent")
 	}
 	// Import all the pruned blocks to make the state available
 	for i := len(hashes) - 1; i >= 0; i-- {
diff --git a/core/rawdb/accessors_trie.go b/core/rawdb/accessors_trie.go
index 886c1c469b..00053ea328 100644
--- a/core/rawdb/accessors_trie.go
+++ b/core/rawdb/accessors_trie.go
@@ -338,8 +338,8 @@ func ParseStateScheme(provided string, disk ethdb.Database) (string, error) {
 	stored := ReadStateScheme(disk)
 	if provided == "" {
 		if stored == "" {
-			log.Info("State scheme set to default", "scheme", "path")
-			return PathScheme, nil // use default scheme for empty database
+			log.Info("State scheme set to default", "scheme", "hash")
+			return HashScheme, nil // use default scheme for empty database
 		}
 		log.Info("State scheme set to already existing disk db", "scheme", stored)
 		return stored, nil // reuse scheme of persistent scheme
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
index 7e7e63bef9..afc5d286d2 100644
--- a/eth/downloader/downloader.go
+++ b/eth/downloader/downloader.go
@@ -1097,7 +1097,7 @@ func (d *Downloader) fetchHeaders(p *peerConnection, from uint64, head uint64) e
 			filled, hashset, proced, err := d.fillHeaderSkeleton(from, headers)
 			if err != nil {
 				p.log.Debug("Skeleton chain invalid", "err", err)
-				return fmt.Errorf("%w: %v", errInvalidChain, err)
+				return fmt.Errorf("111 %w: %v", errInvalidChain, err)
 			}
 			headers = filled[proced:]
 			hashes = hashset[proced:]
@@ -1305,7 +1305,7 @@ func (d *Downloader) processHeaders(origin uint64, td, ttd *big.Int, beaconMode
 					if len(chunkHeaders) > 0 {
 						if n, err := d.lightchain.InsertHeaderChain(chunkHeaders); err != nil {
 							log.Warn("Invalid header encountered", "number", chunkHeaders[n].Number, "hash", chunkHashes[n], "parent", chunkHeaders[n].ParentHash, "err", err)
-							return fmt.Errorf("%w: %v", errInvalidChain, err)
+							return fmt.Errorf("222 %w: %v", errInvalidChain, err)
 						}
 					}
 				}
@@ -1402,7 +1402,7 @@ func (d *Downloader) importBlockResults(results []*fetchResult) error {
 		if errors.Is(err, core.ErrAncestorHasNotBeenVerified) {
 			return err
 		}
-		return fmt.Errorf("%w: %v", errInvalidChain, err)
+		return fmt.Errorf("333 %w: %v", errInvalidChain, err)
 	}
 	return nil
 }
@@ -1600,7 +1600,7 @@ func (d *Downloader) commitSnapSyncData(results []*fetchResult, stateSync *state
 	}
 	if index, err := d.blockchain.InsertReceiptChain(blocks, receipts, d.ancientLimit); err != nil {
 		log.Debug("Downloaded item processing failed", "number", results[index].Header.Number, "hash", results[index].Header.Hash(), "err", err)
-		return fmt.Errorf("%w: %v", errInvalidChain, err)
+		return fmt.Errorf("444 %w: %v", errInvalidChain, err)
 	}
 	return nil
 }
diff --git a/miner/worker.go b/miner/worker.go
index ba5afdf41f..9043f03a88 100644
--- a/miner/worker.go
+++ b/miner/worker.go
@@ -957,7 +957,7 @@ func (w *worker) prepareWork(genParams *generateParams) (*environment, error) {
 	if genParams.parentHash != (common.Hash{}) {
 		block := w.chain.GetBlockByHash(genParams.parentHash)
 		if block == nil {
-			return nil, errors.New("missing parent")
+			return nil, errors.New("777 missing parent")
 		}
 		parent = block.Header()
 	}