diff --git a/tester/core/tests/network_simulate.rs b/tester/core/tests/network_simulate.rs
index 81f8e1e..69036d6 100644
--- a/tester/core/tests/network_simulate.rs
+++ b/tester/core/tests/network_simulate.rs
@@ -10,7 +10,7 @@ use tokio::sync::Mutex;
 
 use novax::Address;
 use novax::errors::NovaXError;
-use novax::executor::{BaseSimulationNetworkExecutor, SimulationNetworkExecutor};
+use novax::executor::{BaseSimulationNetworkExecutor, SimulationNetworkExecutor, TokenTransfer};
 use novax::tester::tester::TesterContract;
 use novax_request::error::request::RequestError;
 use novax_request::gateway::client::GatewayClient;
@@ -65,6 +65,14 @@ fn get_autoscale_zap_in_xexchange_two_different_tokens_transaction() -> (StatusC
     (status, data)
 }
 
+// I got an error with this transaction when coding the autoscale's API, so I add a dedicated test.
+fn get_autoscale_zap_in_error_signaled_in_smart_contract() -> (StatusCode, String) {
+    let status = StatusCode::OK;
+    let data = r#"{"data":{"txGasUnits":0,"returnMessage":"unknown error, code: 12: error signalled by smartcontract","smartContractResults":{},"logs":{"address":"","events":[{"address":"erd1n7ed3f6rkqvwkpfevulvhyl4hskx2vqyleed5lqfq9jp2csfw8esg88f5g","identifier":"ESDTTransfer","topics":["V0VHTEQtYTI4YzU5","","JxA=","AAAAAAAAAAAFAJa/uBBkEBAjdy0aVtjEEdbBrlGLBGM="],"data":"","additionalData":null},{"address":"erd1qqqqqqqqqqqqqpgqj6lmsyryzqgzxaedrftd33q36mq6u5vtq33sp6p0k6","identifier":"signalError","topics":["n7LYp0OwGOsFOWc+y5P1vCxlMAT+ctp8CQFkFWIJcfM=","ZXJyb3Igc2lnbmFsbGVkIGJ5IHNtYXJ0Y29udHJhY3Q="],"data":"QDY1Nzg2NTYzNzU3NDY5NmY2ZTIwNjY2MTY5NmM2NTY0","additionalData":null},{"address":"erd1n7ed3f6rkqvwkpfevulvhyl4hskx2vqyleed5lqfq9jp2csfw8esg88f5g","identifier":"internalVMErrors","topics":["AAAAAAAAAAAFAJa/uBBkEBAjdy0aVtjEEdbBrlGLBGM=","emFwSW4="],"data":"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","additionalData":null}]}},"error":"","code":"successful"}"#.to_string();
+
+    (status, data)
+}
+
 struct MockClient {
     url: String
 }
@@ -116,6 +124,8 @@ impl GatewayClient for MockClient {
             get_autoscale_swap_and_deposit_transaction()
         } else if data == r#"{"nonce":5,"value":"0","receiver":"erd1qqqqqqqqqqqqqpgqj6lmsyryzqgzxaedrftd33q36mq6u5vtq33sp6p0k6","sender":"erd1uh67c2lkhyj4vh73akv7jky9sfgvus8awwcj64uju69mmfne5u7q299t7g","gasPrice":1000000000,"gasLimit":600000000,"data":"emFwSW5AMDAwMDAwMDAwMDAwMDAwMDAwMDUwMDU4MTM3MjE0YjBlMTRjMjk0ODYwYTE2YzExMDQyYWE3MWFiYzE3MjA3Y2ViMDAwMDAwMDIwMDAwMDAwYzU3NDU0NzRjNDQyZDYxMzIzODYzMzUzOTAwMDAwMDBiNTU1MzQ0NDMyZDMzMzUzMDYzMzQ2NUBAMDAwMDAwMGI1NTUzNDQ0MzJkMzMzNTMwNjMzNDY1MDAwMDAwMDAwMDAwMDAwMDA1MDBmZDk2YTFjZDI4N2YzNmIwZDE0YzZjNDc2ODFmOGY2YjdhODlmOTExNTIzMzAwMDAwMDA4NjU3ODYzNjg2MTZlNjc2NTAwMDAwMDAyMDAwMDAwMGI1NTUzNDQ0MzJkMzMzNTMwNjMzNDY1MDAwMDAwMDEwMTAwMDAwMDBjNTc0NTQ3NGM0NDJkNjEzMjM4NjMzNTM5MDAwMDAwMDAwMDAwMDAwMDA1MDA1ODEzNzIxNGIwZTE0YzI5NDg2MGExNmMxMTA0MmFhNzFhYmMxNzIwN2NlYjAwMDAwMDE0NzM3NzYxNzA1NDZmNmI2NTZlNzM0NjY5Nzg2NTY0NDk2ZTcwNzU3NDAwMDAwMDAyMDAwMDAwMGM1NzQ1NDc0YzQ0MmQ2MTMyMzg2MzM1MzkwMDAwMDAwMTAxQDAwMDAwMDBiNTU1MzQ0NDMyZDMzMzUzMDYzMzQ2NTAwMDAwMDAwMDAwMDAwMDAwNTAwZmQ5NmExY2QyODdmMzZiMGQxNGM2YzQ3NjgxZjhmNmI3YTg5ZjkxMTUyMzMwMDAwMDAwODY1Nzg2MzY4NjE2ZTY3NjUwMDAwMDAwMjAwMDAwMDBiNTU1MzQ0NDMyZDMzMzUzMDYzMzQ2NTAwMDAwMDAxMDE=","chainId":"D","version":1}"# {
             get_autoscale_zap_in_xexchange_two_different_tokens_transaction()
+        } else if data == r#"{"nonce":5,"value":"0","receiver":"erd1qqqqqqqqqqqqqpgqj6lmsyryzqgzxaedrftd33q36mq6u5vtq33sp6p0k6","sender":"erd1uh67c2lkhyj4vh73akv7jky9sfgvus8awwcj64uju69mmfne5u7q299t7g","gasPrice":1000000000,"gasLimit":600000000,"data":"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","chainId":"D","version":1}"# {
+            get_autoscale_zap_in_error_signaled_in_smart_contract()
         } else {
             unreachable!()
         };
@@ -304,4 +314,57 @@ async fn test_autoscale_zap_in_xexchange_two_different_tokens_transaction() -> R
     Ok(())
 }
 
+#[tokio::test]
+async fn test_autoscale_zap_in_error_signaled_by_smart_contract() -> Result<(), NovaXError> {
+    let executor = get_executor();
+
+    let contract = AutoscaleRouterContract::new(
+        AUTOSCALE_ROUTER_ADDRESS
+    );
+
+    let result = contract
+        .call(executor, 600000000)
+        .with_esdt_transfers(
+            &vec![
+                TokenTransfer {
+                    identifier: "WEGLD-a28c59".to_string(),
+                    nonce: 0,
+                    amount: BigUint::from_str("10000").unwrap(),
+                }
+            ]
+        )
+        .zap_in(
+            &AddLiquidityOperation {
+                pool_type: PoolType::XExchange,
+                pool_address: "erd1qqqqqqqqqqqqqpgqtqfhy99su9xzjjrq59kpzpp25udtc9eq0n4sr90ax6".into(),
+                tokens: vec![
+                    "WEGLD-a28c59".into(),
+                    "USDC-350c4e".into(),
+                ],
+            },
+            &None,
+            &vec![
+                vec![],
+                vec![
+                    SwapOperation {
+                        token_out: "USDC-350c4e".to_string(),
+                        pool_address: "erd1qqqqqqqqqqqqqpgqtqfhy99su9xzjjrq59kpzpp25udtc9eq0n4sr90ax6".into(),
+                        function_name: "swapTokensFixedInput".to_string(),
+                        arguments: vec![
+                            "USDC-350c4e".to_string(),
+                            String::from_utf8_lossy(&[1]).to_string(),
+                        ],
+                    },
+                ],
+            ]
+        )
+        .await
+        .err()
+        .unwrap();
+
+    todo!();
+
+    Ok(())
+}
+
 // We don't need more tests for this executor
\ No newline at end of file