diff --git a/src/libs/LabelStudio/Generated/LabelStudio.IStatsClient.UserGroundTruthAgreement.g.cs b/src/libs/LabelStudio/Generated/LabelStudio.IStatsClient.UserGroundTruthAgreement.g.cs
index fdd8b534..ba389fca 100644
--- a/src/libs/LabelStudio/Generated/LabelStudio.IStatsClient.UserGroundTruthAgreement.g.cs
+++ b/src/libs/LabelStudio/Generated/LabelStudio.IStatsClient.UserGroundTruthAgreement.g.cs
@@ -15,7 +15,9 @@ public partial interface IStatsClient
         /// Get ground truth agreement statistics for a specific user within a project.
         /// </summary>
         /// <param name="id"></param>
-        /// <param name="perLabel"></param>
+        /// <param name="perLabel">
+        /// Default Value: false
+        /// </param>
         /// <param name="userPk"></param>
         /// <param name="requestOptions">Per-request overrides such as headers, query parameters, timeout, retries, and response buffering.</param>
         /// <param name="cancellationToken">The token to cancel the operation with</param>
@@ -37,7 +39,9 @@ public partial interface IStatsClient
         /// Get ground truth agreement statistics for a specific user within a project.
         /// </summary>
         /// <param name="id"></param>
-        /// <param name="perLabel"></param>
+        /// <param name="perLabel">
+        /// Default Value: false
+        /// </param>
         /// <param name="userPk"></param>
         /// <param name="requestOptions">Per-request overrides such as headers, query parameters, timeout, retries, and response buffering.</param>
         /// <param name="cancellationToken">The token to cancel the operation with</param>
diff --git a/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.TotalAgreement.g.cs b/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.TotalAgreement.g.cs
index bb294166..684d1309 100644
--- a/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.TotalAgreement.g.cs
+++ b/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.TotalAgreement.g.cs
@@ -352,6 +352,38 @@ partial void ProcessTotalAgreementResponseContent(
                                 retryReason: global::System.String.Empty,
                                 cancellationToken: __effectiveCancellationToken)).ConfigureAwait(false);
                 }
+                            //
+                            if ((int)__response.StatusCode == 400)
+                            {
+                                string? __content_400 = null;
+                                global::System.Exception? __exception_400 = null;
+                                try
+                                {
+                                    if (__effectiveReadResponseAsString)
+                                    {
+                                        __content_400 = await __response.Content.ReadAsStringAsync(__effectiveCancellationToken).ConfigureAwait(false);
+                                    }
+                                    else
+                                    {
+                                        __content_400 = await __response.Content.ReadAsStringAsync(__effectiveCancellationToken).ConfigureAwait(false);
+                                    }
+                                }
+                                catch (global::System.Exception __ex)
+                                {
+                                    __exception_400 = __ex;
+                                }
+
+
+                                throw global::LabelStudio.ApiException.Create(
+                                    statusCode: __response.StatusCode,
+                                    message: __content_400 ?? __response.ReasonPhrase ?? string.Empty,
+                                    innerException: __exception_400,
+                                    responseBody: __content_400,
+                                    responseHeaders: global::System.Linq.Enumerable.ToDictionary(
+                                        __response.Headers,
+                                        h => h.Key,
+                                        h => h.Value));
+                            }
 
                             if (__effectiveReadResponseAsString)
                             {
diff --git a/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.UserGroundTruthAgreement.g.cs b/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.UserGroundTruthAgreement.g.cs
index dbadad0c..9f69be7e 100644
--- a/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.UserGroundTruthAgreement.g.cs
+++ b/src/libs/LabelStudio/Generated/LabelStudio.StatsClient.UserGroundTruthAgreement.g.cs
@@ -56,7 +56,9 @@ partial void ProcessUserGroundTruthAgreementResponseContent(
         /// Get ground truth agreement statistics for a specific user within a project.
         /// </summary>
         /// <param name="id"></param>
-        /// <param name="perLabel"></param>
+        /// <param name="perLabel">
+        /// Default Value: false
+        /// </param>
         /// <param name="userPk"></param>
         /// <param name="requestOptions">Per-request overrides such as headers, query parameters, timeout, retries, and response buffering.</param>
         /// <param name="cancellationToken">The token to cancel the operation with</param>
@@ -89,7 +91,9 @@ partial void ProcessUserGroundTruthAgreementResponseContent(
         /// Get ground truth agreement statistics for a specific user within a project.
         /// </summary>
         /// <param name="id"></param>
-        /// <param name="perLabel"></param>
+        /// <param name="perLabel">
+        /// Default Value: false
+        /// </param>
         /// <param name="userPk"></param>
         /// <param name="requestOptions">Per-request overrides such as headers, query parameters, timeout, retries, and response buffering.</param>
         /// <param name="cancellationToken">The token to cancel the operation with</param>
diff --git a/src/libs/LabelStudio/openapi.yaml b/src/libs/LabelStudio/openapi.yaml
index 4a0bbfea..94827ac0 100644
--- a/src/libs/LabelStudio/openapi.yaml
+++ b/src/libs/LabelStudio/openapi.yaml
@@ -13619,7 +13619,7 @@ paths:
           required: true
           schema:
             type: string
-        - description: Per label
+        - description: Calculate agreement per label. Not supported for projects using dimension-based agreement (Agreement V2), which returns HTTP 400.
           in: query
           name: per_label
           schema:
@@ -14318,6 +14318,8 @@ paths:
           description: Total agreement
         '204':
           description: No data to compute agreement
+        '400':
+          description: Agreement V1 API is not supported for Agreement V2 projects
       security:
         - Token: []
       summary: ✨ Get total agreement for project
@@ -14955,10 +14957,11 @@ paths:
           required: true
           schema:
             type: integer
-        - description: Calculate agreement per label
+        - description: Calculate agreement per label. Not supported for projects using dimension-based agreement (Agreement V2), which returns HTTP 400.
           in: query
           name: per_label
           schema:
+            default: false
             type: boolean
         - in: path
           name: user_pk