diff --git a/dist/compatible/openapi-3.0.yaml b/dist/compatible/openapi-3.0.yaml
index dfe8d9d..16cf4ee 100644
--- a/dist/compatible/openapi-3.0.yaml
+++ b/dist/compatible/openapi-3.0.yaml
@@ -755,7 +755,6 @@ components:
       - kind
       - name
       - source
-      - retry_after
       - tracing
       type: object
     ErrorExtensions:
@@ -775,19 +774,10 @@ components:
       required:
       - name
       - source
-      - retry_after
       - code
       - kind
       - tracing
       type: object
-    ErrorResponse:
-      properties:
-        errors:
-          $ref: '#/components/schemas/Errors'
-      required:
-      - errors
-      - data
-      type: object
     Errors:
       properties:
         errors:
@@ -814,25 +804,6 @@ components:
           type: array
       required:
       - media
-    Extensions:
-      properties:
-        code:
-          type: integer
-        kind:
-          type: string
-        name:
-          type: string
-        source:
-          type: string
-        tracing:
-          $ref: '#/components/schemas/Tracing'
-      required:
-      - name
-      - source
-      - code
-      - kind
-      - tracing
-      type: object
     FavoriteTweet:
       properties:
         favorite_tweet:
@@ -2482,17 +2453,25 @@ components:
       properties:
         __typename:
           $ref: '#/components/schemas/TypeName'
+    TweetUnavailable:
+      properties:
+        __typename:
+          $ref: '#/components/schemas/TypeName'
+        reason:
+          type: string
     TweetUnion:
       discriminator:
         mapping":
           Tweet: '#/components/schemas/Tweet'
           TweetTombstone: '#/components/schemas/TweetTombstone'
+          TweetUnavailable: '#/components/schemas/TweetUnavailable'
           TweetWithVisibilityResults: '#/components/schemas/TweetWithVisibilityResults'
         propertyName: __typename
       oneOf:
       - $ref: '#/components/schemas/Tweet'
       - $ref: '#/components/schemas/TweetWithVisibilityResults'
       - $ref: '#/components/schemas/TweetTombstone'
+      - $ref: '#/components/schemas/TweetUnavailable'
     TweetView:
       properties:
         count:
diff --git a/dist/compatible_discriminator/openapi-3.0.yaml b/dist/compatible_discriminator/openapi-3.0.yaml
index 3df951d..45a4738 100644
--- a/dist/compatible_discriminator/openapi-3.0.yaml
+++ b/dist/compatible_discriminator/openapi-3.0.yaml
@@ -755,7 +755,6 @@ components:
       - kind
       - name
       - source
-      - retry_after
       - tracing
       type: object
     ErrorExtensions:
@@ -775,19 +774,10 @@ components:
       required:
       - name
       - source
-      - retry_after
       - code
       - kind
       - tracing
       type: object
-    ErrorResponse:
-      properties:
-        errors:
-          $ref: '#/components/schemas/Errors'
-      required:
-      - errors
-      - data
-      type: object
     Errors:
       properties:
         errors:
@@ -814,25 +804,6 @@ components:
           type: array
       required:
       - media
-    Extensions:
-      properties:
-        code:
-          type: integer
-        kind:
-          type: string
-        name:
-          type: string
-        source:
-          type: string
-        tracing:
-          $ref: '#/components/schemas/Tracing'
-      required:
-      - name
-      - source
-      - code
-      - kind
-      - tracing
-      type: object
     FavoriteTweet:
       properties:
         favorite_tweet:
@@ -2482,17 +2453,25 @@ components:
       properties:
         __typename:
           $ref: '#/components/schemas/TypeName'
+    TweetUnavailable:
+      properties:
+        __typename:
+          $ref: '#/components/schemas/TypeName'
+        reason:
+          type: string
     TweetUnion:
       discriminator:
         mapping":
           Tweet: '#/components/schemas/Tweet'
           TweetTombstone: '#/components/schemas/TweetTombstone'
+          TweetUnavailable: '#/components/schemas/TweetUnavailable'
           TweetWithVisibilityResults: '#/components/schemas/TweetWithVisibilityResults'
         propertyName: __typename
       oneOf:
       - $ref: '#/components/schemas/Tweet'
       - $ref: '#/components/schemas/TweetWithVisibilityResults'
       - $ref: '#/components/schemas/TweetTombstone'
+      - $ref: '#/components/schemas/TweetUnavailable'
     TweetView:
       properties:
         count:
diff --git a/dist/docs/openapi-3.0.yaml b/dist/docs/openapi-3.0.yaml
index 1706bfb..672b3aa 100644
--- a/dist/docs/openapi-3.0.yaml
+++ b/dist/docs/openapi-3.0.yaml
@@ -755,7 +755,6 @@ components:
       - kind
       - name
       - source
-      - retry_after
       - tracing
       type: object
     ErrorExtensions:
@@ -775,19 +774,10 @@ components:
       required:
       - name
       - source
-      - retry_after
       - code
       - kind
       - tracing
       type: object
-    ErrorResponse:
-      properties:
-        errors:
-          $ref: '#/components/schemas/Errors'
-      required:
-      - errors
-      - data
-      type: object
     Errors:
       properties:
         errors:
@@ -814,25 +804,6 @@ components:
           type: array
       required:
       - media
-    Extensions:
-      properties:
-        code:
-          type: integer
-        kind:
-          type: string
-        name:
-          type: string
-        source:
-          type: string
-        tracing:
-          $ref: '#/components/schemas/Tracing'
-      required:
-      - name
-      - source
-      - code
-      - kind
-      - tracing
-      type: object
     FavoriteTweet:
       properties:
         favorite_tweet:
@@ -2482,17 +2453,25 @@ components:
       properties:
         __typename:
           $ref: '#/components/schemas/TypeName'
+    TweetUnavailable:
+      properties:
+        __typename:
+          $ref: '#/components/schemas/TypeName'
+        reason:
+          type: string
     TweetUnion:
       discriminator:
         mapping":
           Tweet: '#/components/schemas/Tweet'
           TweetTombstone: '#/components/schemas/TweetTombstone'
+          TweetUnavailable: '#/components/schemas/TweetUnavailable'
           TweetWithVisibilityResults: '#/components/schemas/TweetWithVisibilityResults'
         propertyName: __typename
       oneOf:
       - $ref: '#/components/schemas/Tweet'
       - $ref: '#/components/schemas/TweetWithVisibilityResults'
       - $ref: '#/components/schemas/TweetTombstone'
+      - $ref: '#/components/schemas/TweetUnavailable'
     TweetView:
       properties:
         count:
diff --git a/other/error/GenericError.json b/other/error/GenericError.json
new file mode 100644
index 0000000..1761afc
--- /dev/null
+++ b/other/error/GenericError.json
@@ -0,0 +1,31 @@
+{
+  "errors": [
+    {
+      "message": "_Missing: No status found with that ID.",
+      "locations": [
+        {
+          "line": 2,
+          "column": 3
+        }
+      ],
+      "path": ["threaded_conversation_with_injections_v2"],
+      "extensions": {
+        "name": "GenericError",
+        "source": "Server",
+        "code": 144,
+        "kind": "NonFatal",
+        "tracing": {
+          "trace_id": "e6de8b2b694ae128"
+        }
+      },
+      "code": 144,
+      "kind": "NonFatal",
+      "name": "GenericError",
+      "source": "Server",
+      "tracing": {
+        "trace_id": "e6de8b2b694ae128"
+      }
+    }
+  ],
+  "data": {}
+}
diff --git a/src/openapi/response/error.yaml b/src/openapi/response/error.yaml
index d285ce1..7006c7a 100644
--- a/src/openapi/response/error.yaml
+++ b/src/openapi/response/error.yaml
@@ -4,22 +4,17 @@ info:
   version: 0.0.1
 
 paths: {}
-
 components:
   schemas:
-    ErrorResponse:
+    Errors:
       type: object
       required:
         - errors
-        - data
       properties:
         errors:
-          $ref: "#/components/schemas/Errors"
-
-    Errors:
-      type: array
-      items:
-        $ref: "#/components/schemas/Error"
+          type: array
+          items:
+            $ref: "#/components/schemas/Error"
 
     Error:
       type: object
@@ -32,7 +27,6 @@ components:
         - kind
         - name
         - source
-        - retry_after
         - tracing
       properties:
         message:
@@ -46,7 +40,7 @@ components:
           items:
             type: string
         extensions:
-          $ref: "#/components/schemas/Extensions"
+          $ref: "#/components/schemas/ErrorExtensions"
         code:
           type: integer
         kind:
@@ -71,7 +65,7 @@ components:
         column:
           type: integer
 
-    Extensions:
+    ErrorExtensions:
       type: object
       required:
         - name
@@ -84,6 +78,8 @@ components:
           type: string
         source:
           type: string
+        retry_after:
+          type: integer
         code:
           type: integer
         kind:
@@ -98,3 +94,4 @@ components:
       properties:
         trace_id:
           type: string
+          pattern: "^[0-9a-f]{16}$"
diff --git a/src/openapi/schemas/content.yaml b/src/openapi/schemas/content.yaml
index e1b2a08..2338389 100644
--- a/src/openapi/schemas/content.yaml
+++ b/src/openapi/schemas/content.yaml
@@ -230,7 +230,7 @@ components:
     ItemResult:
       properties:
         __typename:
-          $ref: "./typename.yaml#/components/schemas/TypeName" # null | TimelineTweet
+          $ref: "./typename.yaml#/components/schemas/TypeName" # null | TimelineTweet | TweetUnavailable
         result:
           $ref: "./tweet.yaml#/components/schemas/TweetUnion"
 
diff --git a/src/openapi/schemas/error.yaml b/src/openapi/schemas/error.yaml
deleted file mode 100644
index 4deed22..0000000
--- a/src/openapi/schemas/error.yaml
+++ /dev/null
@@ -1,99 +0,0 @@
-openapi: 3.0.3
-info:
-  title: Twitter OpenAPI
-  version: 0.0.1
-
-paths: {}
-components:
-  schemas:
-    Errors:
-      type: object
-      required:
-        - errors
-      properties:
-        errors:
-          type: array
-          items:
-            $ref: "#/components/schemas/Error"
-
-    Error:
-      type: object
-      required:
-        - message
-        - locations
-        - path
-        - extensions
-        - code
-        - kind
-        - name
-        - source
-        - retry_after
-        - tracing
-      properties:
-        message:
-          type: string
-        locations:
-          type: array
-          items:
-            $ref: "#/components/schemas/Location"
-        path:
-          type: array
-          items:
-            type: string
-        extensions:
-          $ref: "#/components/schemas/ErrorExtensions"
-        code:
-          type: integer
-        kind:
-          type: string
-        name:
-          type: string
-        source:
-          type: string
-        retry_after:
-          type: integer
-        tracing:
-          $ref: "#/components/schemas/Tracing"
-
-    Location:
-      type: object
-      required:
-        - line
-        - column
-      properties:
-        line:
-          type: integer
-        column:
-          type: integer
-
-    ErrorExtensions:
-      type: object
-      required:
-        - name
-        - source
-        - retry_after
-        - code
-        - kind
-        - tracing
-      properties:
-        name:
-          type: string
-        source:
-          type: string
-        retry_after:
-          type: integer
-        code:
-          type: integer
-        kind:
-          type: string
-        tracing:
-          $ref: "#/components/schemas/Tracing"
-
-    Tracing:
-      type: object
-      required:
-        - trace_id
-      properties:
-        trace_id:
-          type: string
-          pattern: "^[0-9a-f]{16}$"
diff --git a/src/openapi/schemas/tweet.yaml b/src/openapi/schemas/tweet.yaml
index ad88959..d3dfe30 100644
--- a/src/openapi/schemas/tweet.yaml
+++ b/src/openapi/schemas/tweet.yaml
@@ -12,12 +12,14 @@ components:
         - $ref: "#/components/schemas/Tweet"
         - $ref: "#/components/schemas/TweetWithVisibilityResults"
         - $ref: "#/components/schemas/TweetTombstone"
+        - $ref: "#/components/schemas/TweetUnavailable"
       discriminator:
         propertyName: __typename
         mapping": # deprecated
           Tweet: "#/components/schemas/Tweet"
           TweetWithVisibilityResults: "#/components/schemas/TweetWithVisibilityResults"
           TweetTombstone: "#/components/schemas/TweetTombstone"
+          TweetUnavailable: "#/components/schemas/TweetUnavailable"
 
     TweetWithVisibilityResults:
       required:
@@ -138,6 +140,13 @@ components:
           $ref: "./typename.yaml#/components/schemas/TypeName" # TweetWithVisibilityResults
       additionalProperties: true # todo
 
+    TweetUnavailable: # nsfw tweet
+      properties:
+        __typename:
+          $ref: "./typename.yaml#/components/schemas/TypeName" # TweetUnavailable
+        reason:
+          type: string
+
     Tweet:
       required:
         - "rest_id"
diff --git a/test/python/test_serialize.py b/test/python/test_serialize.py
index 78a78cf..62f5ca9 100644
--- a/test/python/test_serialize.py
+++ b/test/python/test_serialize.py
@@ -211,6 +211,15 @@ if __name__ == "__main__":
         task_callback(file, thread=False)
         logger.info(f"Match rate: {rate}")
 
+    for file in glob.glob("other/**/*.json", recursive=True):
+        with open(file, "r") as f:
+            data = json.load(f)
+
+        try:
+            _ = pt.Errors.from_dict(data)
+        except Exception as e:
+            error_dump(e)
+
     api_conf = pt.Configuration(
         api_key={
             "ClientLanguage": "en",
@@ -345,6 +354,13 @@ if __name__ == "__main__":
             res = pt.TweetApi(api_client).get_tweet_detail_with_http_info(**kwargs)
             data = res.data.to_dict()
 
+            save_cache(
+                {
+                    "raw": res.raw_data.decode("utf-8"),
+                    "type": res.data.__class__.__name__,
+                }
+            )
+
             rate = match_rate(
                 data,
                 json.loads(res.raw_data),