diff --git a/src/main/java/org/opensearch/geospatial/exceptions/ConcurrentModificationException.java b/src/main/java/org/opensearch/geospatial/exceptions/ConcurrentModificationException.java
new file mode 100644
index 00000000..579f22f4
--- /dev/null
+++ b/src/main/java/org/opensearch/geospatial/exceptions/ConcurrentModificationException.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.geospatial.exceptions;
+
+import java.io.IOException;
+
+import org.opensearch.OpenSearchException;
+import org.opensearch.common.io.stream.StreamInput;
+import org.opensearch.rest.RestStatus;
+
+/**
+ * General ConcurrentModificationException corresponding to the {@link RestStatus#BAD_REQUEST} status code
+ *
+ * The exception is thrown when multiple mutation API is called for a same resource at the same time
+ */
+public class ConcurrentModificationException extends OpenSearchException {
+
+    public ConcurrentModificationException(String msg, Object... args) {
+        super(msg, args);
+    }
+
+    public ConcurrentModificationException(String msg, Throwable cause, Object... args) {
+        super(msg, cause, args);
+    }
+
+    public ConcurrentModificationException(StreamInput in) throws IOException {
+        super(in);
+    }
+
+    @Override
+    public final RestStatus status() {
+        return RestStatus.BAD_REQUEST;
+    }
+}
diff --git a/src/main/java/org/opensearch/geospatial/ip2geo/action/DeleteDatasourceTransportAction.java b/src/main/java/org/opensearch/geospatial/ip2geo/action/DeleteDatasourceTransportAction.java
index 753c107d..e187f243 100644
--- a/src/main/java/org/opensearch/geospatial/ip2geo/action/DeleteDatasourceTransportAction.java
+++ b/src/main/java/org/opensearch/geospatial/ip2geo/action/DeleteDatasourceTransportAction.java
@@ -5,11 +5,7 @@
 
 package org.opensearch.geospatial.ip2geo.action;
 
-import java.io.IOException;
-
 import lombok.extern.log4j.Log4j2;
-
-import org.opensearch.OpenSearchException;
 import org.opensearch.ResourceNotFoundException;
 import org.opensearch.action.ActionListener;
 import org.opensearch.action.support.ActionFilters;
@@ -17,6 +13,7 @@
 import org.opensearch.action.support.master.AcknowledgedResponse;
 import org.opensearch.common.inject.Inject;
 import org.opensearch.geospatial.annotation.VisibleForTesting;
+import org.opensearch.geospatial.exceptions.ConcurrentModificationException;
 import org.opensearch.geospatial.exceptions.ResourceInUseException;
 import org.opensearch.geospatial.ip2geo.common.DatasourceFacade;
 import org.opensearch.geospatial.ip2geo.common.DatasourceState;
@@ -27,6 +24,8 @@
 import org.opensearch.tasks.Task;
 import org.opensearch.transport.TransportService;
 
+import java.io.IOException;
+
 /**
  * Transport action to delete datasource
  */
@@ -73,7 +72,7 @@ public DeleteDatasourceTransportAction(
     protected void doExecute(final Task task, final DeleteDatasourceRequest request, final ActionListener<AcknowledgedResponse> listener) {
         lockService.acquireLock(request.getName(), LOCK_DURATION_IN_SECONDS, ActionListener.wrap(lock -> {
             if (lock == null) {
-                listener.onFailure(new OpenSearchException("another processor is holding a lock on the resource. Try again later"));
+                listener.onFailure(new ConcurrentModificationException("another processor is holding a lock on the resource. Try again later"));
                 return;
             }
             try {
diff --git a/src/main/java/org/opensearch/geospatial/ip2geo/action/PutDatasourceTransportAction.java b/src/main/java/org/opensearch/geospatial/ip2geo/action/PutDatasourceTransportAction.java
index fa3fcf48..36e2aa6a 100644
--- a/src/main/java/org/opensearch/geospatial/ip2geo/action/PutDatasourceTransportAction.java
+++ b/src/main/java/org/opensearch/geospatial/ip2geo/action/PutDatasourceTransportAction.java
@@ -5,14 +5,7 @@
 
 package org.opensearch.geospatial.ip2geo.action;
 
-import static org.opensearch.geospatial.ip2geo.common.Ip2GeoLockService.LOCK_DURATION_IN_SECONDS;
-
-import java.time.Instant;
-import java.util.concurrent.atomic.AtomicReference;
-
 import lombok.extern.log4j.Log4j2;
-
-import org.opensearch.OpenSearchException;
 import org.opensearch.ResourceAlreadyExistsException;
 import org.opensearch.action.ActionListener;
 import org.opensearch.action.StepListener;
@@ -22,6 +15,7 @@
 import org.opensearch.action.support.master.AcknowledgedResponse;
 import org.opensearch.common.inject.Inject;
 import org.opensearch.geospatial.annotation.VisibleForTesting;
+import org.opensearch.geospatial.exceptions.ConcurrentModificationException;
 import org.opensearch.geospatial.ip2geo.common.DatasourceFacade;
 import org.opensearch.geospatial.ip2geo.common.DatasourceState;
 import org.opensearch.geospatial.ip2geo.common.Ip2GeoLockService;
@@ -33,6 +27,11 @@
 import org.opensearch.threadpool.ThreadPool;
 import org.opensearch.transport.TransportService;
 
+import java.time.Instant;
+import java.util.concurrent.atomic.AtomicReference;
+
+import static org.opensearch.geospatial.ip2geo.common.Ip2GeoLockService.LOCK_DURATION_IN_SECONDS;
+
 /**
  * Transport action to create datasource
  */
@@ -72,7 +71,7 @@ public PutDatasourceTransportAction(
     protected void doExecute(final Task task, final PutDatasourceRequest request, final ActionListener<AcknowledgedResponse> listener) {
         lockService.acquireLock(request.getName(), LOCK_DURATION_IN_SECONDS, ActionListener.wrap(lock -> {
             if (lock == null) {
-                listener.onFailure(new OpenSearchException("another processor is holding a lock on the resource. Try again later"));
+                listener.onFailure(new ConcurrentModificationException("another processor is holding a lock on the resource. Try again later"));
                 return;
             }
             try {
diff --git a/src/main/java/org/opensearch/geospatial/ip2geo/action/UpdateDatasourceTransportAction.java b/src/main/java/org/opensearch/geospatial/ip2geo/action/UpdateDatasourceTransportAction.java
index 20634552..20375d4d 100644
--- a/src/main/java/org/opensearch/geospatial/ip2geo/action/UpdateDatasourceTransportAction.java
+++ b/src/main/java/org/opensearch/geospatial/ip2geo/action/UpdateDatasourceTransportAction.java
@@ -5,15 +5,7 @@
 
 package org.opensearch.geospatial.ip2geo.action;
 
-import java.io.IOException;
-import java.net.URL;
-import java.security.InvalidParameterException;
-import java.time.temporal.ChronoUnit;
-import java.util.List;
-import java.util.Locale;
-
 import lombok.extern.log4j.Log4j2;
-
 import org.opensearch.OpenSearchException;
 import org.opensearch.ResourceNotFoundException;
 import org.opensearch.action.ActionListener;
@@ -21,6 +13,7 @@
 import org.opensearch.action.support.HandledTransportAction;
 import org.opensearch.action.support.master.AcknowledgedResponse;
 import org.opensearch.common.inject.Inject;
+import org.opensearch.geospatial.exceptions.ConcurrentModificationException;
 import org.opensearch.geospatial.ip2geo.common.DatasourceFacade;
 import org.opensearch.geospatial.ip2geo.common.DatasourceManifest;
 import org.opensearch.geospatial.ip2geo.common.Ip2GeoLockService;
@@ -30,6 +23,13 @@
 import org.opensearch.tasks.Task;
 import org.opensearch.transport.TransportService;
 
+import java.io.IOException;
+import java.net.URL;
+import java.security.InvalidParameterException;
+import java.time.temporal.ChronoUnit;
+import java.util.List;
+import java.util.Locale;
+
 /**
  * Transport action to update datasource
  */
@@ -74,7 +74,7 @@ public UpdateDatasourceTransportAction(
     protected void doExecute(final Task task, final UpdateDatasourceRequest request, final ActionListener<AcknowledgedResponse> listener) {
         lockService.acquireLock(request.getName(), LOCK_DURATION_IN_SECONDS, ActionListener.wrap(lock -> {
             if (lock == null) {
-                listener.onFailure(new OpenSearchException("another processor is holding a lock on the resource. Try again later"));
+                listener.onFailure(new ConcurrentModificationException("another processor is holding a lock on the resource. Try again later"));
                 return;
             }
             try {
diff --git a/src/test/java/org/opensearch/geospatial/exceptions/ConcurrentModificationExceptionTests.java b/src/test/java/org/opensearch/geospatial/exceptions/ConcurrentModificationExceptionTests.java
new file mode 100644
index 00000000..53e6ce10
--- /dev/null
+++ b/src/test/java/org/opensearch/geospatial/exceptions/ConcurrentModificationExceptionTests.java
@@ -0,0 +1,16 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package org.opensearch.geospatial.exceptions;
+
+import org.opensearch.rest.RestStatus;
+import org.opensearch.test.OpenSearchTestCase;
+
+public class ConcurrentModificationExceptionTests extends OpenSearchTestCase {
+    public void testStatusCode() {
+        ConcurrentModificationException exception = new ConcurrentModificationException("Resource is being modified by another processor");
+        assertEquals(RestStatus.BAD_REQUEST, exception.status());
+    }
+}
diff --git a/src/test/java/org/opensearch/geospatial/ip2geo/Ip2GeoTestCase.java b/src/test/java/org/opensearch/geospatial/ip2geo/Ip2GeoTestCase.java
index 4e76d6d4..931dfdc1 100644
--- a/src/test/java/org/opensearch/geospatial/ip2geo/Ip2GeoTestCase.java
+++ b/src/test/java/org/opensearch/geospatial/ip2geo/Ip2GeoTestCase.java
@@ -183,7 +183,7 @@ protected Datasource randomDatasource() {
         Instant now = Instant.now().truncatedTo(ChronoUnit.MILLIS);
         Datasource datasource = new Datasource();
         datasource.setName(GeospatialTestHelper.randomLowerCaseString());
-        datasource.setSchedule(new IntervalSchedule(now, Randomness.get().nextInt(29), ChronoUnit.DAYS));
+        datasource.setSchedule(new IntervalSchedule(now, Randomness.get().nextInt(28) + 1, ChronoUnit.DAYS));
         datasource.setState(randomState());
         datasource.setIndices(Arrays.asList(GeospatialTestHelper.randomLowerCaseString(), GeospatialTestHelper.randomLowerCaseString()));
         datasource.setEndpoint(String.format(Locale.ROOT, "https://%s.com/manifest.json", GeospatialTestHelper.randomLowerCaseString()));