diff --git a/ml-algorithms/src/main/java/org/opensearch/ml/engine/encryptor/EncryptorImpl.java b/ml-algorithms/src/main/java/org/opensearch/ml/engine/encryptor/EncryptorImpl.java
index 8ad3016ae9..739447a3f3 100644
--- a/ml-algorithms/src/main/java/org/opensearch/ml/engine/encryptor/EncryptorImpl.java
+++ b/ml-algorithms/src/main/java/org/opensearch/ml/engine/encryptor/EncryptorImpl.java
@@ -34,7 +34,7 @@
 @Log4j2
 public class EncryptorImpl implements Encryptor {
 
-    public static final String MASTER_KEY_NOT_READY_ERROR = "ML encryption master key not initialized yet. Please retry after 10 seconds.";
+    public static final String MASTER_KEY_NOT_READY_ERROR = "The ML encryption master key has not been initialized yet. Please retry after waiting for 10 seconds.";
     private ClusterService clusterService;
     private Client client;
     private volatile String masterKey;
diff --git a/ml-algorithms/src/main/java/org/opensearch/ml/engine/utils/ScriptUtils.java b/ml-algorithms/src/main/java/org/opensearch/ml/engine/utils/ScriptUtils.java
index 89de1006c6..7c7e3a528f 100644
--- a/ml-algorithms/src/main/java/org/opensearch/ml/engine/utils/ScriptUtils.java
+++ b/ml-algorithms/src/main/java/org/opensearch/ml/engine/utils/ScriptUtils.java
@@ -6,7 +6,6 @@
 package org.opensearch.ml.engine.utils;
 
 import com.google.gson.Gson;
-import lombok.extern.log4j.Log4j2;
 import org.opensearch.ml.common.connector.MLPostProcessFunction;
 import org.opensearch.ml.common.connector.MLPreProcessFunction;
 import org.opensearch.ml.common.utils.StringUtils;
@@ -19,7 +18,6 @@
 import java.util.Map;
 import java.util.Optional;
 
-@Log4j2
 public class ScriptUtils {
 
     public static final Gson gson;
@@ -54,12 +52,8 @@ public static Optional<String> executePostprocessFunction(ScriptService scriptSe
     }
 
     public static String executeScript(ScriptService scriptService, String painlessScript, Map<String, Object> params) {
-        long start = System.nanoTime();
         Script script = new Script(ScriptType.INLINE, "painless", painlessScript, Collections.emptyMap());
         TemplateScript templateScript = scriptService.compile(script, TemplateScript.CONTEXT).newInstance(params);
-        long end = System.nanoTime();
-        double durationInMs = (end - start) / 1e6;
-        log.info("----------------- painless script execution time: {} ms", durationInMs);
         return templateScript.execute();
     }
 }
diff --git a/plugin/src/main/java/org/opensearch/ml/model/MLModelGroupManager.java b/plugin/src/main/java/org/opensearch/ml/model/MLModelGroupManager.java
index bff64f19df..d9fc0a9742 100644
--- a/plugin/src/main/java/org/opensearch/ml/model/MLModelGroupManager.java
+++ b/plugin/src/main/java/org/opensearch/ml/model/MLModelGroupManager.java
@@ -77,7 +77,9 @@ public void createModelGroup(MLRegisterModelGroupInput input, ActionListener<Str
                                     new IllegalArgumentException(
                                         "The name you provided is already being used by another model with ID: "
                                             + id
-                                            + ". Please provide a different name or add \"model_group_id\": \"lMPmr4kB4eSCtCCDmCDm\" to request body"
+                                            + ". Please provide a different name or add \"model_group_id\": \""
+                                            + id
+                                            + "\" to request body"
                                     )
                                 );
                         }
diff --git a/plugin/src/test/java/org/opensearch/ml/model/MLModelGroupManagerTests.java b/plugin/src/test/java/org/opensearch/ml/model/MLModelGroupManagerTests.java
index 1b7268d9e4..7eddb82b9d 100644
--- a/plugin/src/test/java/org/opensearch/ml/model/MLModelGroupManagerTests.java
+++ b/plugin/src/test/java/org/opensearch/ml/model/MLModelGroupManagerTests.java
@@ -143,7 +143,7 @@ public void test_ModelGroupNameNotUnique() throws IOException {//
         ArgumentCaptor<Exception> argumentCaptor = ArgumentCaptor.forClass(Exception.class);
         verify(actionListener).onFailure(argumentCaptor.capture());
         assertEquals(
-            "The name you provided is already being used by another model with ID: model_group_ID. Please provide a different name or add \"model_group_id\": \"lMPmr4kB4eSCtCCDmCDm\" to request body",
+            "The name you provided is already being used by another model with ID: model_group_ID. Please provide a different name or add \"model_group_id\": \"model_group_ID\" to request body",
             argumentCaptor.getValue().getMessage()
         );