diff --git a/chain/index/msgindex.go b/chain/index/msgindex.go
index 2a28fd32b..78add0f79 100644
--- a/chain/index/msgindex.go
+++ b/chain/index/msgindex.go
@@ -356,7 +356,7 @@ func (x *msgIndex) doApply(ctx context.Context, tx *sql.Tx, ts *types.TipSet) er
 	for _, blk := range ts.Blocks() {
 		bmsgs, smsgs, err := x.cs.MessagesForBlock(ctx, blk)
 		if err != nil {
-			return xerrors.Errorf("error retrieving messages for block %s in %s: %w", blk, ts, err)
+			return xerrors.Errorf("error retrieving messages for block %s in %s: %w", blk.Cid(), ts, err)
 		}
 
 		for _, m := range bmsgs {
diff --git a/cmd/lotus-sim/simulation/node.go b/cmd/lotus-sim/simulation/node.go
index 1d7786010..f232e0d21 100644
--- a/cmd/lotus-sim/simulation/node.go
+++ b/cmd/lotus-sim/simulation/node.go
@@ -126,7 +126,7 @@ func (nd *Node) CreateSim(ctx context.Context, name string, head *types.TipSet)
 	if err != nil {
 		return nil, err
 	}
-	sm, err := stmgr.NewStateManager(nd.Chainstore, consensus.NewTipSetExecutor(filcns.RewardFunc), vm.Syscalls(mock.Verifier), filcns.DefaultUpgradeSchedule(), nil, nd.MetadataDS)
+	sm, err := stmgr.NewStateManager(nd.Chainstore, consensus.NewTipSetExecutor(filcns.RewardFunc), vm.Syscalls(mock.Verifier), filcns.DefaultUpgradeSchedule(), nil, nd.MetadataDS, index.DummyMsgIndex)
 	if err != nil {
 		return nil, xerrors.Errorf("creating state manager: %w", err)
 	}