ура

src/main/java/com/example/nto/service/impl/BookingServiceImpl.java

@@ -89,7 +89,7 @@ public class BookingServiceImpl implements BookingService {
             throw new IllegalArgumentException("Place already booked for this date");
         }
         Booking booking = new Booking();
-        booking.setEmployee((Map<String, Object>) employee);
+        booking.setEmployee((Employee) employee);
         booking.setPlace(place);
         booking.setDate(bookingDate);
         bookingRepository.save(booking);