diff --git a/dotnet/src/ZB.MOM.NatsNet.Server/JetStream/JetStreamErrors.GeneratedConstructors.cs b/dotnet/src/ZB.MOM.NatsNet.Server/JetStream/JetStreamErrors.GeneratedConstructors.cs
index b58c881..3398083 100644
--- a/dotnet/src/ZB.MOM.NatsNet.Server/JetStream/JetStreamErrors.GeneratedConstructors.cs
+++ b/dotnet/src/ZB.MOM.NatsNet.Server/JetStream/JetStreamErrors.GeneratedConstructors.cs
@@ -120,6 +120,150 @@ public static partial class JsApiErrors
         return Clone(ClusterPeerNotMember);
     }
 
+    public static JsApiError NewJSClusterRequiredError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ClusterRequired);
+    }
+
+    public static JsApiError NewJSClusterServerMemberChangeInflightError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ClusterServerMemberChangeInflight);
+    }
+
+    public static JsApiError NewJSClusterServerNotMemberError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ClusterServerNotMember);
+    }
+
+    public static JsApiError NewJSClusterTagsError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ClusterTags);
+    }
+
+    public static JsApiError NewJSClusterUnSupportFeatureError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ClusterUnSupportFeature);
+    }
+
+    public static JsApiError NewJSConsumerAckPolicyInvalidError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerAckPolicyInvalid);
+    }
+
+    public static JsApiError NewJSConsumerAckWaitNegativeError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerAckWaitNegative);
+    }
+
+    public static JsApiError NewJSConsumerAlreadyExistsError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerAlreadyExists);
+    }
+
+    public static JsApiError NewJSConsumerBackOffNegativeError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerBackOffNegative);
+    }
+
+    public static JsApiError NewJSConsumerBadDurableNameError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerBadDurableName);
+    }
+
+    public static JsApiError NewJSConsumerConfigRequiredError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerConfigRequired);
+    }
+
+    public static JsApiError NewJSConsumerCreateDurableAndNameMismatchError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerCreateDurableAndNameMismatch);
+    }
+
+    public static JsApiError NewJSConsumerCreateFilterSubjectMismatchError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerCreateFilterSubjectMismatch);
+    }
+
+    public static JsApiError NewJSConsumerDeliverCycleError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDeliverCycle);
+    }
+
+    public static JsApiError NewJSConsumerDeliverToWildcardsError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDeliverToWildcards);
+    }
+
+    public static JsApiError NewJSConsumerDirectRequiresEphemeralError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDirectRequiresEphemeral);
+    }
+
+    public static JsApiError NewJSConsumerDirectRequiresPushError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDirectRequiresPush);
+    }
+
+    public static JsApiError NewJSConsumerDoesNotExistError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDoesNotExist);
+    }
+
     public static JsApiError NewJSAtomicPublishTooLargeBatchError(object? size, params ErrorOption[] opts)
     {
         if (ParseOpts(opts) is JsApiError overridden)
@@ -144,4 +288,20 @@ public static partial class JsApiErrors
         return NewWithTags(ClusterNoPeers, "{err}", err);
     }
 
+    public static JsApiError NewJSConsumerCreateError(Exception err, params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return NewWithTags(ConsumerCreateErr, "{err}", err);
+    }
+
+    public static JsApiError NewJSConsumerDescriptionTooLongError(object? max, params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return NewWithTags(ConsumerDescriptionTooLong, "{max}", max);
+    }
+
 }
diff --git a/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamErrorsGeneratedConstructorsTests.cs b/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamErrorsGeneratedConstructorsTests.cs
index a0603a0..f310f23 100644
--- a/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamErrorsGeneratedConstructorsTests.cs
+++ b/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamErrorsGeneratedConstructorsTests.cs
@@ -36,4 +36,37 @@ public sealed class JetStreamErrorsGeneratedConstructorsTests
         fromOverride.Description.ShouldBe(expected.Description);
         ReferenceEquals(fromOverride, expected).ShouldBeFalse();
     }
+
+    [Fact]
+    public void ConstructorSurface_Group02()
+    {
+        JsApiErrors.NewJSClusterRequiredError().ErrCode.ShouldBe(JsApiErrors.ClusterRequired.ErrCode);
+        JsApiErrors.NewJSClusterServerMemberChangeInflightError().ErrCode.ShouldBe(JsApiErrors.ClusterServerMemberChangeInflight.ErrCode);
+        JsApiErrors.NewJSClusterServerNotMemberError().ErrCode.ShouldBe(JsApiErrors.ClusterServerNotMember.ErrCode);
+        JsApiErrors.NewJSClusterTagsError().ErrCode.ShouldBe(JsApiErrors.ClusterTags.ErrCode);
+        JsApiErrors.NewJSClusterUnSupportFeatureError().ErrCode.ShouldBe(JsApiErrors.ClusterUnSupportFeature.ErrCode);
+        JsApiErrors.NewJSConsumerAckPolicyInvalidError().ErrCode.ShouldBe(JsApiErrors.ConsumerAckPolicyInvalid.ErrCode);
+        JsApiErrors.NewJSConsumerAckWaitNegativeError().ErrCode.ShouldBe(JsApiErrors.ConsumerAckWaitNegative.ErrCode);
+        JsApiErrors.NewJSConsumerAlreadyExistsError().ErrCode.ShouldBe(JsApiErrors.ConsumerAlreadyExists.ErrCode);
+        JsApiErrors.NewJSConsumerBackOffNegativeError().ErrCode.ShouldBe(JsApiErrors.ConsumerBackOffNegative.ErrCode);
+        JsApiErrors.NewJSConsumerBadDurableNameError().ErrCode.ShouldBe(JsApiErrors.ConsumerBadDurableName.ErrCode);
+        JsApiErrors.NewJSConsumerConfigRequiredError().ErrCode.ShouldBe(JsApiErrors.ConsumerConfigRequired.ErrCode);
+        JsApiErrors.NewJSConsumerCreateDurableAndNameMismatchError().ErrCode.ShouldBe(JsApiErrors.ConsumerCreateDurableAndNameMismatch.ErrCode);
+        JsApiErrors.NewJSConsumerCreateFilterSubjectMismatchError().ErrCode.ShouldBe(JsApiErrors.ConsumerCreateFilterSubjectMismatch.ErrCode);
+        JsApiErrors.NewJSConsumerDeliverCycleError().ErrCode.ShouldBe(JsApiErrors.ConsumerDeliverCycle.ErrCode);
+        JsApiErrors.NewJSConsumerDeliverToWildcardsError().ErrCode.ShouldBe(JsApiErrors.ConsumerDeliverToWildcards.ErrCode);
+        JsApiErrors.NewJSConsumerDirectRequiresEphemeralError().ErrCode.ShouldBe(JsApiErrors.ConsumerDirectRequiresEphemeral.ErrCode);
+        JsApiErrors.NewJSConsumerDirectRequiresPushError().ErrCode.ShouldBe(JsApiErrors.ConsumerDirectRequiresPush.ErrCode);
+        JsApiErrors.NewJSConsumerDoesNotExistError().ErrCode.ShouldBe(JsApiErrors.ConsumerDoesNotExist.ErrCode);
+
+        JsApiErrors.NewJSConsumerCreateError(new InvalidOperationException("create failed")).Description.ShouldBe("create failed");
+        JsApiErrors.NewJSConsumerDescriptionTooLongError(1024).Description.ShouldBe("consumer description is too long, maximum allowed is 1024");
+
+        var expected = new JsApiError { Code = 498, ErrCode = 9091, Description = "override-2" };
+        var fromOverride = JsApiErrors.NewJSClusterRequiredError(JsApiErrors.Unless(expected));
+        fromOverride.Code.ShouldBe(expected.Code);
+        fromOverride.ErrCode.ShouldBe(expected.ErrCode);
+        fromOverride.Description.ShouldBe(expected.Description);
+        ReferenceEquals(fromOverride, expected).ShouldBeFalse();
+    }
 }
diff --git a/porting.db b/porting.db
index 81e4bc6..dd9b83d 100644
Binary files a/porting.db and b/porting.db differ
diff --git a/tools/generate-jetstream-errors.sh b/tools/generate-jetstream-errors.sh
index 9e76d78..a1d34b4 100755
--- a/tools/generate-jetstream-errors.sh
+++ b/tools/generate-jetstream-errors.sh
@@ -19,12 +19,32 @@ simple_methods=(
   "NewJSClusterNotAvailError|ClusterNotAvail"
   "NewJSClusterNotLeaderError|ClusterNotLeader"
   "NewJSClusterPeerNotMemberError|ClusterPeerNotMember"
+  "NewJSClusterRequiredError|ClusterRequired"
+  "NewJSClusterServerMemberChangeInflightError|ClusterServerMemberChangeInflight"
+  "NewJSClusterServerNotMemberError|ClusterServerNotMember"
+  "NewJSClusterTagsError|ClusterTags"
+  "NewJSClusterUnSupportFeatureError|ClusterUnSupportFeature"
+  "NewJSConsumerAckPolicyInvalidError|ConsumerAckPolicyInvalid"
+  "NewJSConsumerAckWaitNegativeError|ConsumerAckWaitNegative"
+  "NewJSConsumerAlreadyExistsError|ConsumerAlreadyExists"
+  "NewJSConsumerBackOffNegativeError|ConsumerBackOffNegative"
+  "NewJSConsumerBadDurableNameError|ConsumerBadDurableName"
+  "NewJSConsumerConfigRequiredError|ConsumerConfigRequired"
+  "NewJSConsumerCreateDurableAndNameMismatchError|ConsumerCreateDurableAndNameMismatch"
+  "NewJSConsumerCreateFilterSubjectMismatchError|ConsumerCreateFilterSubjectMismatch"
+  "NewJSConsumerDeliverCycleError|ConsumerDeliverCycle"
+  "NewJSConsumerDeliverToWildcardsError|ConsumerDeliverToWildcards"
+  "NewJSConsumerDirectRequiresEphemeralError|ConsumerDirectRequiresEphemeral"
+  "NewJSConsumerDirectRequiresPushError|ConsumerDirectRequiresPush"
+  "NewJSConsumerDoesNotExistError|ConsumerDoesNotExist"
 )
 
 templated_methods=(
   "NewJSAtomicPublishTooLargeBatchError|object?|size|AtomicPublishTooLargeBatch|{size}"
   "NewJSAtomicPublishUnsupportedHeaderBatchError|object?|header|AtomicPublishUnsupportedHeaderBatch|{header}"
   "NewJSClusterNoPeersError|Exception|err|ClusterNoPeers|{err}"
+  "NewJSConsumerCreateError|Exception|err|ConsumerCreateErr|{err}"
+  "NewJSConsumerDescriptionTooLongError|object?|max|ConsumerDescriptionTooLong|{max}"
 )
 
 {