diff --git a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/CustomValidationExceptionMapper.java b/nflow-jetty/src/main/java/io/nflow/jetty/mapper/CustomValidationExceptionMapper.java
index 624c8ff84..cdcd994eb 100644
--- a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/CustomValidationExceptionMapper.java
+++ b/nflow-jetty/src/main/java/io/nflow/jetty/mapper/CustomValidationExceptionMapper.java
@@ -12,6 +12,8 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import io.nflow.rest.v1.msg.ErrorResponse;
+
 @Provider
 public class CustomValidationExceptionMapper implements ExceptionMapper<ValidationException> {
 
diff --git a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapper.java b/nflow-jetty/src/main/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapper.java
index 48231231b..e9189e871 100644
--- a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapper.java
+++ b/nflow-jetty/src/main/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapper.java
@@ -7,6 +7,7 @@
 import javax.ws.rs.ext.Provider;
 
 import io.nflow.engine.workflow.executor.StateVariableValueTooLongException;
+import io.nflow.rest.v1.msg.ErrorResponse;
 
 @Provider
 public class StateVariableValueTooLongExceptionMapper implements ExceptionMapper<StateVariableValueTooLongException> {
diff --git a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/WebApplicationExceptionMapper.java b/nflow-jetty/src/main/java/io/nflow/jetty/mapper/WebApplicationExceptionMapper.java
index d1d3273f2..1469ad53d 100644
--- a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/WebApplicationExceptionMapper.java
+++ b/nflow-jetty/src/main/java/io/nflow/jetty/mapper/WebApplicationExceptionMapper.java
@@ -7,6 +7,8 @@
 import javax.ws.rs.ext.ExceptionMapper;
 import javax.ws.rs.ext.Provider;
 
+import io.nflow.rest.v1.msg.ErrorResponse;
+
 @Provider
 public class WebApplicationExceptionMapper implements ExceptionMapper<WebApplicationException> {
   @Override
diff --git a/nflow-jetty/src/test/java/io/nflow/jetty/mapper/CustomValidationExceptionMapperTest.java b/nflow-jetty/src/test/java/io/nflow/jetty/mapper/CustomValidationExceptionMapperTest.java
index c2e0961ab..7cfdbb97e 100644
--- a/nflow-jetty/src/test/java/io/nflow/jetty/mapper/CustomValidationExceptionMapperTest.java
+++ b/nflow-jetty/src/test/java/io/nflow/jetty/mapper/CustomValidationExceptionMapperTest.java
@@ -22,6 +22,8 @@
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.junit.jupiter.MockitoExtension;
 
+import io.nflow.rest.v1.msg.ErrorResponse;
+
 @ExtendWith(MockitoExtension.class)
 public class CustomValidationExceptionMapperTest {
 
diff --git a/nflow-jetty/src/test/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapperTest.java b/nflow-jetty/src/test/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapperTest.java
index b34c286f3..edc22a7cf 100644
--- a/nflow-jetty/src/test/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapperTest.java
+++ b/nflow-jetty/src/test/java/io/nflow/jetty/mapper/StateVariableValueTooLongExceptionMapperTest.java
@@ -9,6 +9,7 @@
 import org.junit.jupiter.api.Test;
 
 import io.nflow.engine.workflow.executor.StateVariableValueTooLongException;
+import io.nflow.rest.v1.msg.ErrorResponse;
 
 public class StateVariableValueTooLongExceptionMapperTest {
   StateVariableValueTooLongExceptionMapper mapper = new StateVariableValueTooLongExceptionMapper();
diff --git a/nflow-jetty/src/test/java/io/nflow/jetty/mapper/WebApplicationExceptionMapperTest.java b/nflow-jetty/src/test/java/io/nflow/jetty/mapper/WebApplicationExceptionMapperTest.java
index 92abee867..e1f1cea8e 100644
--- a/nflow-jetty/src/test/java/io/nflow/jetty/mapper/WebApplicationExceptionMapperTest.java
+++ b/nflow-jetty/src/test/java/io/nflow/jetty/mapper/WebApplicationExceptionMapperTest.java
@@ -9,6 +9,8 @@
 
 import org.junit.jupiter.api.Test;
 
+import io.nflow.rest.v1.msg.ErrorResponse;
+
 public class WebApplicationExceptionMapperTest {
   WebApplicationExceptionMapper mapper = new WebApplicationExceptionMapper();
 
diff --git a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/ErrorResponse.java b/nflow-rest-api-common/src/main/java/io/nflow/rest/v1/msg/ErrorResponse.java
similarity index 90%
rename from nflow-jetty/src/main/java/io/nflow/jetty/mapper/ErrorResponse.java
rename to nflow-rest-api-common/src/main/java/io/nflow/rest/v1/msg/ErrorResponse.java
index ff4ef197e..d453b73d5 100644
--- a/nflow-jetty/src/main/java/io/nflow/jetty/mapper/ErrorResponse.java
+++ b/nflow-rest-api-common/src/main/java/io/nflow/rest/v1/msg/ErrorResponse.java
@@ -1,4 +1,4 @@
-package io.nflow.jetty.mapper;
+package io.nflow.rest.v1.msg;
 
 import io.nflow.engine.model.ModelObject;
 
diff --git a/nflow-tests/src/test/java/io/nflow/tests/StateVariablesTest.java b/nflow-tests/src/test/java/io/nflow/tests/StateVariablesTest.java
index a15a28d33..3ee898fe3 100644
--- a/nflow-tests/src/test/java/io/nflow/tests/StateVariablesTest.java
+++ b/nflow-tests/src/test/java/io/nflow/tests/StateVariablesTest.java
@@ -30,10 +30,10 @@
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 
-import io.nflow.jetty.mapper.ErrorResponse;
 import io.nflow.rest.v1.msg.Action;
 import io.nflow.rest.v1.msg.CreateWorkflowInstanceRequest;
 import io.nflow.rest.v1.msg.CreateWorkflowInstanceResponse;
+import io.nflow.rest.v1.msg.ErrorResponse;
 import io.nflow.rest.v1.msg.ListWorkflowInstanceResponse;
 import io.nflow.rest.v1.msg.UpdateWorkflowInstanceRequest;
 import io.nflow.tests.demo.workflow.StateWorkflow;