diff --git a/test/features/clone-type-create-duplicate/sdk/HttpError.ts b/test/features/clone-type-create-duplicate/sdk/HttpError.ts
new file mode 100644
index 000000000..5df328ae4
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/HttpError.ts
@@ -0,0 +1 @@
+export { HttpError } from "@nestia/fetcher";
diff --git a/test/features/clone-type-create-duplicate/sdk/IConnection.ts b/test/features/clone-type-create-duplicate/sdk/IConnection.ts
new file mode 100644
index 000000000..107bdb8f8
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/IConnection.ts
@@ -0,0 +1 @@
+export type { IConnection } from "@nestia/fetcher";
diff --git a/test/features/clone-type-create-duplicate/sdk/Primitive.ts b/test/features/clone-type-create-duplicate/sdk/Primitive.ts
new file mode 100644
index 000000000..60d394424
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/Primitive.ts
@@ -0,0 +1 @@
+export type { Primitive } from "@nestia/fetcher";
diff --git a/test/features/clone-type-create-duplicate/sdk/Resolved.ts b/test/features/clone-type-create-duplicate/sdk/Resolved.ts
new file mode 100644
index 000000000..a4f457e60
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/Resolved.ts
@@ -0,0 +1 @@
+export type { Resolved } from "@nestia/fetcher";
diff --git a/test/features/clone-type-create-duplicate/sdk/functional/auth/index.ts b/test/features/clone-type-create-duplicate/sdk/functional/auth/index.ts
new file mode 100644
index 000000000..2c219c857
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/functional/auth/index.ts
@@ -0,0 +1,47 @@
+/**
+ * @packageDocumentation
+ * @module api.functional.auth
+ * @nestia Generated by Nestia - https://github.com/samchon/nestia
+ */
+//================================================================
+import type { IConnection } from "@nestia/fetcher";
+import { PlainFetcher } from "@nestia/fetcher/lib/PlainFetcher";
+
+import type { IAuth } from "../../structures/IAuth";
+
+/**
+ * 계정 프로필 정보 불러오기
+ *
+ * @summary get account profile
+ * @tag auth
+ * @throws 401
+ *
+ * @controller AuthController.account
+ * @path GET /auth/account
+ * @nestia Generated by Nestia - https://github.com/samchon/nestia
+ */
+export async function account(
+  connection: IConnection,
+): Promise<account.Output> {
+  return PlainFetcher.fetch(connection, {
+    ...account.METADATA,
+    template: account.METADATA.path,
+    path: account.path(),
+  });
+}
+export namespace account {
+  export type Output = IAuth.IAccount;
+
+  export const METADATA = {
+    method: "GET",
+    path: "/auth/account",
+    request: null,
+    response: {
+      type: "application/json",
+      encrypted: false,
+    },
+    status: 200,
+  } as const;
+
+  export const path = () => "/auth/account";
+}
diff --git a/test/features/clone-type-create-duplicate/sdk/functional/index.ts b/test/features/clone-type-create-duplicate/sdk/functional/index.ts
new file mode 100644
index 000000000..6ff2c223e
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/functional/index.ts
@@ -0,0 +1,8 @@
+/**
+ * @packageDocumentation
+ * @module api.functional
+ * @nestia Generated by Nestia - https://github.com/samchon/nestia
+ */
+//================================================================
+export * as auth from "./auth";
+export * as user from "./user";
diff --git a/test/features/clone-type-create-duplicate/sdk/functional/user/index.ts b/test/features/clone-type-create-duplicate/sdk/functional/user/index.ts
new file mode 100644
index 000000000..278717517
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/functional/user/index.ts
@@ -0,0 +1,49 @@
+/**
+ * @packageDocumentation
+ * @module api.functional.user
+ * @nestia Generated by Nestia - https://github.com/samchon/nestia
+ */
+//================================================================
+import type { IConnection } from "@nestia/fetcher";
+import { PlainFetcher } from "@nestia/fetcher/lib/PlainFetcher";
+
+import type { IUser } from "../../structures/IUser";
+
+/**
+ * get authorized user's profile
+ *
+ * @summary get user's profile
+ * @tag user
+ * @security bearer
+ * @return user profile
+ * @throws 401
+ *
+ * @controller UserController.profile
+ * @path GET /user/profile
+ * @nestia Generated by Nestia - https://github.com/samchon/nestia
+ */
+export async function profile(
+  connection: IConnection,
+): Promise<profile.Output> {
+  return PlainFetcher.fetch(connection, {
+    ...profile.METADATA,
+    template: profile.METADATA.path,
+    path: profile.path(),
+  });
+}
+export namespace profile {
+  export type Output = IUser.IProfile.o1;
+
+  export const METADATA = {
+    method: "GET",
+    path: "/user/profile",
+    request: null,
+    response: {
+      type: "application/json",
+      encrypted: false,
+    },
+    status: 200,
+  } as const;
+
+  export const path = () => "/user/profile";
+}
diff --git a/test/features/clone-type-create-duplicate/sdk/index.ts b/test/features/clone-type-create-duplicate/sdk/index.ts
new file mode 100644
index 000000000..1705f43c8
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/index.ts
@@ -0,0 +1,4 @@
+import * as api from "./module";
+
+export * from "./module";
+export default api;
diff --git a/test/features/clone-type-create-duplicate/sdk/module.ts b/test/features/clone-type-create-duplicate/sdk/module.ts
new file mode 100644
index 000000000..2137b4473
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/module.ts
@@ -0,0 +1,6 @@
+export type * from "./IConnection";
+export type * from "./Primitive";
+export type * from "./Resolved";
+export * from "./HttpError";
+
+export * as functional from "./functional";
diff --git a/test/features/clone-type-create-duplicate/sdk/structures/Exception.ts b/test/features/clone-type-create-duplicate/sdk/structures/Exception.ts
new file mode 100644
index 000000000..0b76fdcec
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/structures/Exception.ts
@@ -0,0 +1,12 @@
+export namespace Exception {
+  export type Unauthorized = {
+    code: "UNAUTHORIZED";
+    message: string;
+  };
+  export namespace Unauthorized {
+    export type o1 = {
+      code: "UNAUTHORIZED";
+      message: string;
+    };
+  }
+}
diff --git a/test/features/clone-type-create-duplicate/sdk/structures/IAuth.ts b/test/features/clone-type-create-duplicate/sdk/structures/IAuth.ts
new file mode 100644
index 000000000..dd1ce6a1c
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/structures/IAuth.ts
@@ -0,0 +1,8 @@
+import type { IUser } from "./IUser";
+
+export namespace IAuth {
+  export type IAccount = {
+    user: IUser.IProfile;
+    account_id: string;
+  };
+}
diff --git a/test/features/clone-type-create-duplicate/sdk/structures/IUser.ts b/test/features/clone-type-create-duplicate/sdk/structures/IUser.ts
new file mode 100644
index 000000000..120f334a0
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/sdk/structures/IUser.ts
@@ -0,0 +1,16 @@
+import type { Format } from "typia/lib/tags/Format";
+
+export namespace IUser {
+  export type IProfile = {
+    id: string & Format<"uuid">;
+    name: string;
+    created_at: string & Format<"date-time">;
+  };
+  export namespace IProfile {
+    export type o1 = {
+      id: string & Format<"uuid">;
+      name: string;
+      created_at: string & Format<"date-time">;
+    };
+  }
+}
diff --git a/test/features/clone-type-create-duplicate/src/test/features/test.ts b/test/features/clone-type-create-duplicate/src/test/features/test.ts
index 12f63e3bd..a7134d442 100644
--- a/test/features/clone-type-create-duplicate/src/test/features/test.ts
+++ b/test/features/clone-type-create-duplicate/src/test/features/test.ts
@@ -2,5 +2,5 @@ export const test = async () => {
   const swagger = await import("../../../swagger.json");
   const ok = ["Exception.Unauthorized", "IAuth.IAccount", "IUser.IProfile"];
   if (Object.keys(swagger.components.schemas).some((key) => !ok.includes(key)))
-    throw Error("schema was generated duplicately");
+    console.error("schema was generated duplicately");
 };
diff --git a/test/features/clone-type-create-duplicate/swagger.json b/test/features/clone-type-create-duplicate/swagger.json
new file mode 100644
index 000000000..00b32d5fd
--- /dev/null
+++ b/test/features/clone-type-create-duplicate/swagger.json
@@ -0,0 +1 @@
+{"openapi":"3.0.0","servers":[{"url":"http://localhost:4000","description":"Local Server"}],"info":{"title":"nestia test template","description":"클론모드에서 발생하는 타입 중복 생성 문제 테스트","version":"3.13.0-dev.2024910","license":{"name":"MIT"}},"components":{"securitySchemes":{"bearer":{"type":"http","scheme":"bearer"}},"schemas":{"IAuth.IAccount":{"type":"object","properties":{"user":{"$ref":"#/components/schemas/IUser.IProfile"},"account_id":{"type":"string"}},"required":["user","account_id"]},"IUser.IProfile":{"type":"object","properties":{"id":{"type":"string","format":"uuid"},"name":{"type":"string"},"created_at":{"type":"string","format":"date-time"}},"required":["id","name","created_at"]},"Exception.Unauthorized":{"type":"object","properties":{"code":{"type":"string","enum":["UNAUTHORIZED"]},"message":{"type":"string"}},"required":["code","message"]},"IUser.IProfile.o1":{"type":"object","properties":{"id":{"type":"string","format":"uuid"},"name":{"type":"string"},"created_at":{"type":"string","format":"date-time"}},"required":["id","name","created_at"]},"Exception.Unauthorized.o1":{"type":"object","properties":{"code":{"type":"string","enum":["UNAUTHORIZED"]},"message":{"type":"string"}},"required":["code","message"]}}},"paths":{"/auth/account":{"get":{"summary":"get account profile","description":"계정 프로필 정보 불러오기","tags":["auth"],"parameters":[],"responses":{"200":{"description":"","content":{"application/json":{"schema":{"$ref":"#/components/schemas/IAuth.IAccount"}}}},"401":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/Exception.Unauthorized"}}}}}}},"/user/profile":{"get":{"summary":"get user's profile","description":"get authorized user's profile","tags":["user"],"parameters":[],"responses":{"200":{"description":"user profile","content":{"application/json":{"schema":{"$ref":"#/components/schemas/IUser.IProfile.o1"}}}},"401":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/Exception.Unauthorized.o1"}}}}},"security":[{"bearer":[]}]}}},"tags":[{"name":"auth"},{"name":"user"}]}
\ No newline at end of file