fix create user

frontend/src/components/pages/Main/Main.tsx

@@ -67,7 +67,7 @@ const Main = () => {
                                     <DialogTitle><h1 className={less["title-form"]}>{t("entrance")}</h1></DialogTitle>
                                     <DialogDescription>
                                         <form className={less["input-form"]} onSubmit={(event) => submitRegister(event, navigate)}>
-                                            <div className={less["novis"]}><Input type="text" name="event_id" value={event.id} placeholder="Event" /></div>
+                                            <div className={less["novis"]}><Input type="text" name="event" value={event.id} placeholder="Event" /></div>
                                             <Input type="text" name="first_name" placeholder="First name" />
                                             <Input type="text" name="last_name" placeholder="Last name" />
                                             <Input type="date" name="birth_date" placeholder="Date" />

frontend/src/components/widgets/Header/AuthAPI.ts

@@ -58,8 +58,9 @@ export const submitRegister = (e: FormEvent<HTMLFormElement>, navigate: Function
             navigate('../successful');
             return response.json(); 
         } else {
-
-            throw new Error('Код ошибки: ' + response.status);
+            return response.text().then(errorMessage => {
+                throw new Error('Код ошибки: ' + response.status + '. ' + errorMessage + '. Дата ошибки: ' + response.headers.get('Date'));
+            });
         }
     })
     .then(data => {