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 3398083..d3c827d 100644
--- a/dotnet/src/ZB.MOM.NatsNet.Server/JetStream/JetStreamErrors.GeneratedConstructors.cs
+++ b/dotnet/src/ZB.MOM.NatsNet.Server/JetStream/JetStreamErrors.GeneratedConstructors.cs
@@ -264,6 +264,134 @@ public static partial class JsApiErrors
         return Clone(ConsumerDoesNotExist);
     }
 
+    public static JsApiError NewJSConsumerDuplicateFilterSubjectsError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDuplicateFilterSubjects);
+    }
+
+    public static JsApiError NewJSConsumerDurableNameNotInSubjectError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDurableNameNotInSubject);
+    }
+
+    public static JsApiError NewJSConsumerDurableNameNotMatchSubjectError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDurableNameNotMatchSubject);
+    }
+
+    public static JsApiError NewJSConsumerDurableNameNotSetError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerDurableNameNotSet);
+    }
+
+    public static JsApiError NewJSConsumerEmptyFilterError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerEmptyFilter);
+    }
+
+    public static JsApiError NewJSConsumerEmptyGroupNameError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerEmptyGroupName);
+    }
+
+    public static JsApiError NewJSConsumerEphemeralWithDurableInSubjectError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerEphemeralWithDurableInSubject);
+    }
+
+    public static JsApiError NewJSConsumerEphemeralWithDurableNameError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerEphemeralWithDurableName);
+    }
+
+    public static JsApiError NewJSConsumerExistingActiveError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerExistingActive);
+    }
+
+    public static JsApiError NewJSConsumerFCRequiresPushError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerFCRequiresPush);
+    }
+
+    public static JsApiError NewJSConsumerFilterNotSubsetError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerFilterNotSubset);
+    }
+
+    public static JsApiError NewJSConsumerHBRequiresPushError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerHBRequiresPush);
+    }
+
+    public static JsApiError NewJSConsumerInvalidDeliverSubjectError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerInvalidDeliverSubject);
+    }
+
+    public static JsApiError NewJSConsumerInvalidGroupNameError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerInvalidGroupName);
+    }
+
+    public static JsApiError NewJSConsumerInvalidPriorityGroupError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerInvalidPriorityGroup);
+    }
+
+    public static JsApiError NewJSConsumerMaxDeliverBackoffError(params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return Clone(ConsumerMaxDeliverBackoff);
+    }
+
     public static JsApiError NewJSAtomicPublishTooLargeBatchError(object? size, params ErrorOption[] opts)
     {
         if (ParseOpts(opts) is JsApiError overridden)
@@ -304,4 +432,36 @@ public static partial class JsApiErrors
         return NewWithTags(ConsumerDescriptionTooLong, "{max}", max);
     }
 
+    public static JsApiError NewJSConsumerInactiveThresholdExcessError(object? limit, params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return NewWithTags(ConsumerInactiveThresholdExcess, "{limit}", limit);
+    }
+
+    public static JsApiError NewJSConsumerInvalidPolicyError(Exception err, params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return NewWithTags(ConsumerInvalidPolicy, "{err}", err);
+    }
+
+    public static JsApiError NewJSConsumerInvalidResetError(Exception err, params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return NewWithTags(ConsumerInvalidReset, "{err}", err);
+    }
+
+    public static JsApiError NewJSConsumerInvalidSamplingError(Exception err, params ErrorOption[] opts)
+    {
+        if (ParseOpts(opts) is JsApiError overridden)
+            return Clone(overridden);
+
+        return NewWithTags(ConsumerInvalidSampling, "{err}", err);
+    }
+
 }
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 f310f23..6ad5c62 100644
--- a/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamErrorsGeneratedConstructorsTests.cs
+++ b/dotnet/tests/ZB.MOM.NatsNet.Server.Tests/JetStream/JetStreamErrorsGeneratedConstructorsTests.cs
@@ -69,4 +69,37 @@ public sealed class JetStreamErrorsGeneratedConstructorsTests
         fromOverride.Description.ShouldBe(expected.Description);
         ReferenceEquals(fromOverride, expected).ShouldBeFalse();
     }
+
+    [Fact]
+    public void ConstructorSurface_Group03()
+    {
+        JsApiErrors.NewJSConsumerDuplicateFilterSubjectsError().ErrCode.ShouldBe(JsApiErrors.ConsumerDuplicateFilterSubjects.ErrCode);
+        JsApiErrors.NewJSConsumerDurableNameNotInSubjectError().ErrCode.ShouldBe(JsApiErrors.ConsumerDurableNameNotInSubject.ErrCode);
+        JsApiErrors.NewJSConsumerDurableNameNotMatchSubjectError().ErrCode.ShouldBe(JsApiErrors.ConsumerDurableNameNotMatchSubject.ErrCode);
+        JsApiErrors.NewJSConsumerDurableNameNotSetError().ErrCode.ShouldBe(JsApiErrors.ConsumerDurableNameNotSet.ErrCode);
+        JsApiErrors.NewJSConsumerEmptyFilterError().ErrCode.ShouldBe(JsApiErrors.ConsumerEmptyFilter.ErrCode);
+        JsApiErrors.NewJSConsumerEmptyGroupNameError().ErrCode.ShouldBe(JsApiErrors.ConsumerEmptyGroupName.ErrCode);
+        JsApiErrors.NewJSConsumerEphemeralWithDurableInSubjectError().ErrCode.ShouldBe(JsApiErrors.ConsumerEphemeralWithDurableInSubject.ErrCode);
+        JsApiErrors.NewJSConsumerEphemeralWithDurableNameError().ErrCode.ShouldBe(JsApiErrors.ConsumerEphemeralWithDurableName.ErrCode);
+        JsApiErrors.NewJSConsumerExistingActiveError().ErrCode.ShouldBe(JsApiErrors.ConsumerExistingActive.ErrCode);
+        JsApiErrors.NewJSConsumerFCRequiresPushError().ErrCode.ShouldBe(JsApiErrors.ConsumerFCRequiresPush.ErrCode);
+        JsApiErrors.NewJSConsumerFilterNotSubsetError().ErrCode.ShouldBe(JsApiErrors.ConsumerFilterNotSubset.ErrCode);
+        JsApiErrors.NewJSConsumerHBRequiresPushError().ErrCode.ShouldBe(JsApiErrors.ConsumerHBRequiresPush.ErrCode);
+        JsApiErrors.NewJSConsumerInvalidDeliverSubjectError().ErrCode.ShouldBe(JsApiErrors.ConsumerInvalidDeliverSubject.ErrCode);
+        JsApiErrors.NewJSConsumerInvalidGroupNameError().ErrCode.ShouldBe(JsApiErrors.ConsumerInvalidGroupName.ErrCode);
+        JsApiErrors.NewJSConsumerInvalidPriorityGroupError().ErrCode.ShouldBe(JsApiErrors.ConsumerInvalidPriorityGroup.ErrCode);
+        JsApiErrors.NewJSConsumerMaxDeliverBackoffError().ErrCode.ShouldBe(JsApiErrors.ConsumerMaxDeliverBackoff.ErrCode);
+
+        JsApiErrors.NewJSConsumerInactiveThresholdExcessError(777).Description.ShouldBe("consumer inactive threshold exceeds system limit of 777");
+        JsApiErrors.NewJSConsumerInvalidPolicyError(new InvalidOperationException("invalid policy")).Description.ShouldBe("invalid policy");
+        JsApiErrors.NewJSConsumerInvalidResetError(new InvalidOperationException("bad reset")).Description.ShouldBe("invalid reset: bad reset");
+        JsApiErrors.NewJSConsumerInvalidSamplingError(new InvalidOperationException("bad sampling")).Description.ShouldBe("failed to parse consumer sampling configuration: bad sampling");
+
+        var expected = new JsApiError { Code = 497, ErrCode = 9092, Description = "override-3" };
+        var fromOverride = JsApiErrors.NewJSConsumerDuplicateFilterSubjectsError(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 dd9b83d..47fcb44 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 a1d34b4..73dcab3 100755
--- a/tools/generate-jetstream-errors.sh
+++ b/tools/generate-jetstream-errors.sh
@@ -37,6 +37,22 @@ simple_methods=(
   "NewJSConsumerDirectRequiresEphemeralError|ConsumerDirectRequiresEphemeral"
   "NewJSConsumerDirectRequiresPushError|ConsumerDirectRequiresPush"
   "NewJSConsumerDoesNotExistError|ConsumerDoesNotExist"
+  "NewJSConsumerDuplicateFilterSubjectsError|ConsumerDuplicateFilterSubjects"
+  "NewJSConsumerDurableNameNotInSubjectError|ConsumerDurableNameNotInSubject"
+  "NewJSConsumerDurableNameNotMatchSubjectError|ConsumerDurableNameNotMatchSubject"
+  "NewJSConsumerDurableNameNotSetError|ConsumerDurableNameNotSet"
+  "NewJSConsumerEmptyFilterError|ConsumerEmptyFilter"
+  "NewJSConsumerEmptyGroupNameError|ConsumerEmptyGroupName"
+  "NewJSConsumerEphemeralWithDurableInSubjectError|ConsumerEphemeralWithDurableInSubject"
+  "NewJSConsumerEphemeralWithDurableNameError|ConsumerEphemeralWithDurableName"
+  "NewJSConsumerExistingActiveError|ConsumerExistingActive"
+  "NewJSConsumerFCRequiresPushError|ConsumerFCRequiresPush"
+  "NewJSConsumerFilterNotSubsetError|ConsumerFilterNotSubset"
+  "NewJSConsumerHBRequiresPushError|ConsumerHBRequiresPush"
+  "NewJSConsumerInvalidDeliverSubjectError|ConsumerInvalidDeliverSubject"
+  "NewJSConsumerInvalidGroupNameError|ConsumerInvalidGroupName"
+  "NewJSConsumerInvalidPriorityGroupError|ConsumerInvalidPriorityGroup"
+  "NewJSConsumerMaxDeliverBackoffError|ConsumerMaxDeliverBackoff"
 )
 
 templated_methods=(
@@ -45,6 +61,10 @@ templated_methods=(
   "NewJSClusterNoPeersError|Exception|err|ClusterNoPeers|{err}"
   "NewJSConsumerCreateError|Exception|err|ConsumerCreateErr|{err}"
   "NewJSConsumerDescriptionTooLongError|object?|max|ConsumerDescriptionTooLong|{max}"
+  "NewJSConsumerInactiveThresholdExcessError|object?|limit|ConsumerInactiveThresholdExcess|{limit}"
+  "NewJSConsumerInvalidPolicyError|Exception|err|ConsumerInvalidPolicy|{err}"
+  "NewJSConsumerInvalidResetError|Exception|err|ConsumerInvalidReset|{err}"
+  "NewJSConsumerInvalidSamplingError|Exception|err|ConsumerInvalidSampling|{err}"
 )
 
 {