diff --git a/pil2-components/lib/std/pil/std_connection.pil b/pil2-components/lib/std/pil/std_connection.pil
index 9d735a56..bfa8dc5b 100644
--- a/pil2-components/lib/std/pil/std_connection.pil
+++ b/pil2-components/lib/std/pil/std_connection.pil
@@ -74,7 +74,7 @@ const int DEFAULT_CONNECTION_N = 0;
  * col witness a,b,c;
  * connection_init(opid, [a, b, c]);
  */
-function connection_init(const int opid, const expr cols[], int default_frame_size = DEFAULT_CONNECTION_N, const int bus_type = 0) {
+function connection_init(const int opid, const expr cols[], int default_frame_size = DEFAULT_CONNECTION_N, const int bus_type = PIOP_BUS_DEFAULT) {
     if (default_frame_size == DEFAULT_CONNECTION_N) default_frame_size = N;
 
     if (default_frame_size < 1) {
@@ -484,20 +484,6 @@ private function checkClosed() {
     }
 }
 
-/**
- * TODO
- *
- * @param {int} opid - The (unique) identifier of the connection
- * @param {expr[]} cols - Array of columns to be connected
- * @param {expr[]} conn - Fixed columns indicating the connection
- * @example
- * col witness a,b,c;
- * col fixed S1,S2,S3;
- * // Compute S1, S2, S3...
- * connection(opid, [a, b, c], [S1, S2, S3]);
- * connection(opid, [a, b, c], [S1, S2, S3], N/2);
- */
-
 /**
  * Connects the columns `cols` with the fixed columns `CONN`.
  *
@@ -510,7 +496,7 @@ private function checkClosed() {
  * col fixed S1,S2,S3;
  * connection(opid, [a, b, c], [S1, S2, S3]);
  */
-function connection(const int opid, const expr cols[], const expr CONN[], const int bus_type = 0) {
+function connection(const int opid, const expr cols[], const expr CONN[], const int bus_type = PIOP_BUS_DEFAULT) {
     const int len = length(cols);
     if (len == 0) {
         error(`Connection #${opid} cannot be empty`);
diff --git a/pil2-components/lib/std/rs/src/debug.rs b/pil2-components/lib/std/rs/src/debug.rs
index 171eb430..673c1f17 100644
--- a/pil2-components/lib/std/rs/src/debug.rs
+++ b/pil2-components/lib/std/rs/src/debug.rs
@@ -7,6 +7,7 @@ use std::{
 };
 
 use p3_field::PrimeField;
+use proofman_common::ProofCtx;
 use proofman_hints::{format_vec, HintFieldOutput};
 
 pub type DebugData<F> = Mutex<HashMap<F, HashMap<Vec<HintFieldOutput<F>>, BusValue<F>>>>; // opid -> val -> BusValue
@@ -81,6 +82,7 @@ pub fn update_debug_data<F: PrimeField>(
 }
 
 pub fn print_debug_info<F: PrimeField>(
+    pctx: &ProofCtx<F>,
     name: &str,
     max_values_to_print: usize,
     print_to_file: bool,
@@ -151,7 +153,7 @@ pub fn print_debug_info<F: PrimeField>(
             }
             let shared_data = &data.shared_data;
             let grouped_data = &mut data.grouped_data;
-            print_diffs(val, max_values_to_print, shared_data, grouped_data, false, &mut output);
+            print_diffs(pctx, val, max_values_to_print, shared_data, grouped_data, false, &mut output);
         }
 
         if len_overassumed > 0 {
@@ -176,7 +178,7 @@ pub fn print_debug_info<F: PrimeField>(
 
             let shared_data = &data.shared_data;
             let grouped_data = &mut data.grouped_data;
-            print_diffs(val, max_values_to_print, shared_data, grouped_data, true, &mut output);
+            print_diffs(pctx, val, max_values_to_print, shared_data, grouped_data, true, &mut output);
         }
 
         if len_overproven > 0 {
@@ -185,6 +187,7 @@ pub fn print_debug_info<F: PrimeField>(
     }
 
     fn print_diffs<F: PrimeField>(
+        pctx: &ProofCtx<F>,
         val: &[HintFieldOutput<F>],
         max_values_to_print: usize,
         shared_data: &SharedData<F>,
@@ -230,6 +233,9 @@ pub fn print_debug_info<F: PrimeField>(
 
         // Print grouped rows
         for (airgroup_id, air_id, instance_id, mut rows) in organized_rows {
+            let airgroup_name = pctx.global_info.get_air_group_name(airgroup_id);
+            let air_name = pctx.global_info.get_air_name(airgroup_id, air_id);
+
             rows.sort();
             let rows_display =
                 rows.iter().map(|x| x.to_string()).take(max_values_to_print).collect::<Vec<_>>().join(",");
@@ -237,8 +243,10 @@ pub fn print_debug_info<F: PrimeField>(
             let truncated = rows.len() > max_values_to_print;
             writeln!(
                 output,
-                "\t        Airgroup: {:<3} | Air: {:<3} | Instance: {:<3} | Num: {:<9} | Rows: [{}{}]",
+                "\t        Airgroup: {} ({}) | Air: {} ({}) | Instance ID: {} | Num: {} | Rows: [{}{}]",
+                airgroup_name,
                 airgroup_id,
+                air_name,
                 air_id,
                 instance_id,
                 rows.len(),
diff --git a/pil2-components/lib/std/rs/src/std_prod.rs b/pil2-components/lib/std/rs/src/std_prod.rs
index ccaf548d..5667847c 100644
--- a/pil2-components/lib/std/rs/src/std_prod.rs
+++ b/pil2-components/lib/std/rs/src/std_prod.rs
@@ -18,6 +18,7 @@ use crate::{
 };
 
 pub struct StdProd<F: PrimeField> {
+    pctx: Arc<ProofCtx<F>>,
     mode: StdMode,
     stage_wc: Option<Mutex<u32>>,
     debug_data: Option<DebugData<F>>,
@@ -40,6 +41,7 @@ impl<F: PrimeField> AirComponent<F> for StdProd<F> {
         // Initialize std_prod with the extracted data
         let mode = mode.expect("Mode must be provided");
         let std_prod = Arc::new(Self {
+            pctx: wcm.get_pctx(),
             mode: mode.clone(),
             stage_wc: match std_prod_users_id.is_empty() {
                 true => None,
@@ -324,11 +326,12 @@ impl<F: PrimeField> WitnessComponent<F> for StdProd<F> {
     fn end_proof(&self) {
         // Print debug info if in debug mode
         if self.mode.name == ModeName::Debug {
+            let pctx = &self.pctx;
             let name = Self::MY_NAME;
             let max_values_to_print = self.mode.n_vals;
             let print_to_file = self.mode.print_to_file;
             let debug_data = self.debug_data.as_ref().expect("Debug data missing");
-            print_debug_info(name, max_values_to_print, print_to_file, debug_data);
+            print_debug_info(pctx, name, max_values_to_print, print_to_file, debug_data);
         }
     }
 }
diff --git a/pil2-components/lib/std/rs/src/std_sum.rs b/pil2-components/lib/std/rs/src/std_sum.rs
index 77b4ae8e..211edc81 100644
--- a/pil2-components/lib/std/rs/src/std_sum.rs
+++ b/pil2-components/lib/std/rs/src/std_sum.rs
@@ -20,6 +20,7 @@ use crate::{
 };
 
 pub struct StdSum<F: PrimeField> {
+    pctx: Arc<ProofCtx<F>>,
     mode: StdMode,
     stage_wc: Option<Mutex<u32>>,
     debug_data: Option<DebugData<F>>,
@@ -42,6 +43,7 @@ impl<F: PrimeField> AirComponent<F> for StdSum<F> {
         // Initialize std_sum with the extracted data
         let mode = mode.expect("Mode must be provided");
         let std_sum = Arc::new(Self {
+            pctx: wcm.get_pctx(),
             mode: mode.clone(),
             stage_wc: match std_sum_users_id.is_empty() {
                 true => None,
@@ -366,11 +368,12 @@ impl<F: PrimeField> WitnessComponent<F> for StdSum<F> {
     fn end_proof(&self) {
         // Print debug info if in debug mode
         if self.mode.name == ModeName::Debug {
+            let pctx = &self.pctx;
             let name = Self::MY_NAME;
             let max_values_to_print = self.mode.n_vals;
             let print_to_file = self.mode.print_to_file;
             let debug_data = self.debug_data.as_ref().expect("Debug data missing");
-            print_debug_info(name, max_values_to_print, print_to_file, debug_data);
+            print_debug_info(pctx, name, max_values_to_print, print_to_file, debug_data);
         }
     }
 }