diff --git a/src/libs/Dust/Generated/Dust.PrivateFilesClient.CreateWByWIdFilesByFileId.g.cs b/src/libs/Dust/Generated/Dust.PrivateFilesClient.CreateWByWIdFilesByFileId.g.cs
index 011834f..f4f20ae 100644
--- a/src/libs/Dust/Generated/Dust.PrivateFilesClient.CreateWByWIdFilesByFileId.g.cs
+++ b/src/libs/Dust/Generated/Dust.PrivateFilesClient.CreateWByWIdFilesByFileId.g.cs
@@ -419,6 +419,38 @@ request.Filename is null
                                 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::Dust.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 ((int)__response.StatusCode == 403)
                             {
diff --git a/src/libs/Dust/openapi.yaml b/src/libs/Dust/openapi.yaml
index db63043..4801e36 100644
--- a/src/libs/Dust/openapi.yaml
+++ b/src/libs/Dust/openapi.yaml
@@ -8461,6 +8461,9 @@
               }
             }
           },
+          "400": {
+            "description": "Invalid file content (e.g. a CSV with an unsupported encoding)"
+          },
           "403": {
             "description": "Permission denied"
           },