diff --git a/src/common/variant_helper.h b/src/common/variant_helper.h
index 9f98cbaa..4eb12546 100644
--- a/src/common/variant_helper.h
+++ b/src/common/variant_helper.h
@@ -9,7 +9,7 @@
 #define VARIANT_CASE(v_type, typed_name) } else if(local_reference_eokcmeokmeokcm.type() == typeid(v_type)) {  v_type& typed_name ATTRIBUTE_UNUSED = boost::get<v_type>(local_reference_eokcmeokmeokcm);
 #define VARIANT_CASE_TV(v_type) VARIANT_CASE(v_type, tv) 
 #define VARIANT_CASE_OTHER() } else { 
-#define VARIANT_CASE_THROW_ON_OTHER() } else { ASSERT_MES_AND_THROW("Unknown type in switch statemet: " << local_reference_eokcmeokmeokcm.type().name());
+#define VARIANT_CASE_THROW_ON_OTHER() } else { ASSERT_MES_AND_THROW("Unknown type in switch statement: " << local_reference_eokcmeokmeokcm.type().name());
 #define VARIANT_CASE_THROW_ON_OTHER_MSG(err_msg) } else { ASSERT_MES_AND_THROW(err_msg << local_reference_eokcmeokmeokcm.type().name());
 
 #define VARIANT_SWITCH_END() } }
diff --git a/src/currency_core/blockchain_storage.cpp b/src/currency_core/blockchain_storage.cpp
index a16302f1..3414f213 100644
--- a/src/currency_core/blockchain_storage.cpp
+++ b/src/currency_core/blockchain_storage.cpp
@@ -1882,7 +1882,7 @@ bool blockchain_storage::handle_alternative_block(const block& b, const crypto::
     // miner tx prevalidation (light checks)
     if (!prevalidate_miner_transaction(b, abei.height, pos_block))
     {
-      LOG_PRINT_RED_L0("Alternative block " << id << " @ " << coinbase_height << "has invalid miner transaction.");
+      LOG_PRINT_RED_L0("Alternative block " << id << " @ " << coinbase_height << " has invalid miner transaction.");
       bvc.m_verification_failed = true;
       return false;
     }
@@ -4990,7 +4990,7 @@ bool blockchain_storage::check_tx_input(const transaction& tx, size_t in_index,
   scan_for_keys_context scan_context = AUTO_VAL_INIT(scan_context);
   if(!get_output_keys_for_input_with_checks(tx, txin, output_keys, max_related_block_height, source_max_unlock_time_for_pos_coinbase))
   {
-    LOG_PRINT_L0("Failed to get output keys for input #" << in_index << " (amount = " << print_money(txin.amount) << ", key_offset.size = " << txin.key_offsets.size() << ")");
+    LOG_PRINT_L0("Failed to get output keys for input #" << in_index << " (amount = " << print_money_brief(txin.amount) << ", key_offset.size = " << txin.key_offsets.size() << "), tx: " << tx_prefix_hash);
     return false;
   }
   //TIME_MEASURE_FINISH_PD(tx_check_inputs_loop_ch_in_get_keys_loop);
diff --git a/src/currency_core/currency_format_utils.cpp b/src/currency_core/currency_format_utils.cpp
index 5f4fa38f..556f371e 100644
--- a/src/currency_core/currency_format_utils.cpp
+++ b/src/currency_core/currency_format_utils.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2014-2023 Zano Project
+// Copyright (c) 2014-2024 Zano Project
 // Copyright (c) 2014-2018 The Louisdor Project
 // Copyright (c) 2012-2013 The Cryptonote developers
 // Copyright (c) 2012-2013 The Boolberry developers
@@ -355,7 +355,7 @@ namespace currency
       CHECK_AND_ASSERT_MES(commitment_to_zero_is_sane, false, "internal error: commitment_to_zero is malformed (X)");
 #endif
       r = crypto::generate_double_schnorr_sig<crypto::gt_X, crypto::gt_G>(tx_id, commitment_to_zero, secret_x, ogc.tx_pub_key_p, ogc.tx_key.sec, proof.dss);
-      CHECK_AND_ASSERT_MES(r, false, "genergenerate_double_schnorr_sigate_schnorr_sig (X, G) failed");
+      CHECK_AND_ASSERT_MES(r, false, "generate_double_schnorr_sig (X, G) failed");
     }
 
     return true;
@@ -700,6 +700,14 @@ namespace currency
       // (sum(bare inputs' amounts) - fee) * H + sum(pseudo outs commitments for ZC inputs) - sum(outputs' commitments) = lin(X)  OR  = lin(G)
       crypto::point_t commitment_to_zero = (crypto::scalar_t(bare_inputs_sum) - crypto::scalar_t(fee)) * currency::native_coin_asset_id_pt + sum_of_pseudo_out_amount_commitments - outs_commitments_sum;
 
+      DBG_VAL_PRINT(tx_id);
+      DBG_VAL_PRINT(tx_pub_key);
+      DBG_VAL_PRINT(bare_inputs_sum);
+      DBG_VAL_PRINT(fee);
+      DBG_VAL_PRINT(sum_of_pseudo_out_amount_commitments);
+      DBG_VAL_PRINT(outs_commitments_sum);
+      DBG_VAL_PRINT(commitment_to_zero);
+
       CHECK_AND_ASSERT_MES(zc_inputs_count == zc_sigs_count, false, "zc inputs count (" << zc_inputs_count << ") and zc sigs count (" << zc_sigs_count << ") missmatch");
       if (zc_inputs_count > 0)
       {
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index d5720fe3..a48d5455 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -4782,7 +4782,7 @@ bool wallet2::prepare_and_sign_pos_block(const mining_context& cxt, uint64_t ful
 
   crypto::hash hash_for_zarcanum_sig = get_block_hash(b);
 
-  WLT_CHECK_AND_ASSERT_MES(miner_tx_tgc.pseudo_out_amount_blinding_masks_sum.is_zero(), false, "pseudo_out_amount_blinding_masks_sum is nonzero"); // it should be zero because there's only one input (stake), and thus one pseudo out
+  WLT_CHECK_AND_ASSERT_MES(miner_tx_tgc.pseudo_out_amount_blinding_masks_sum.is_zero(), false, "pseudo_out_amount_blinding_masks_sum is nonzero"); // it should be zero because there's only one ZC input (stake), and thus only one pseudo out (the sum is non-zero iff POC > 1)
   crypto::scalar_t pseudo_out_amount_blinding_mask = miner_tx_tgc.amount_blinding_masks_sum; // sum of outputs' amount blinding masks
 
   miner_tx_tgc.pseudo_outs_blinded_asset_ids.emplace_back(currency::native_coin_asset_id_pt); // for Zarcanum stake inputs pseudo outputs commitments has explicit native asset id