diff --git a/src/middlewares/auth.ts b/src/middlewares/auth.ts
index ad0bb1e..5aecde8 100644
--- a/src/middlewares/auth.ts
+++ b/src/middlewares/auth.ts
@@ -12,6 +12,6 @@ export async function expressAuthentication(
     case "keycloak":
       return keycloakAuth(request, scopes);
     default:
-      throw new HttpError(HttpStatus.NOT_IMPLEMENTED, "ไม่ทราบวิธียืนยันตัวตน");
+      throw new HttpError(HttpStatus.NOT_IMPLEMENTED, "Unknown how to verify identity.", "unknowHowToVerify");
   }
 }
diff --git a/src/middlewares/role.ts b/src/middlewares/role.ts
index d02d316..dd2ec2f 100644
--- a/src/middlewares/role.ts
+++ b/src/middlewares/role.ts
@@ -5,14 +5,14 @@ import HttpStatus from "../interfaces/http-status";
 
 export function role(
   role: string | string[],
-  errorMessage: string = "คุณไม่มีสิทธิในการเข้าถึงทรัพยากรดังกล่าว",
+  errorMessage: string = "You do not have permission to access this resource.",
 ) {
   return (req: RequestWithUser, _res: Response, next: NextFunction) => {
     if (!Array.isArray(role) && !req.user.role.includes(role) && !req.user.role.includes("*")) {
-      throw new HttpError(HttpStatus.FORBIDDEN, errorMessage);
+      throw new HttpError(HttpStatus.FORBIDDEN, errorMessage, "noPermissionToAccess");
     }
     if (role !== "*" && !req.user.role.some((v) => role.includes(v))) {
-      throw new HttpError(HttpStatus.FORBIDDEN, errorMessage);
+      throw new HttpError(HttpStatus.FORBIDDEN, errorMessage, "noPermissionToAccess");
     }
     return next();
   };