неужели всё >_<

src/main/java/com/example/nto/entity/Booking.java

@@ -47,13 +47,13 @@ public class Booking {
         private String place;
     }
     @Data
-    public class CreateBookingRequest {
+    public static class CreateBookingRequest {
         @JsonFormat(pattern = "yyyy-MM-dd")
         private LocalDate date;
         private long placeId;
     }
     @Data
-    public class ErrorResponse {
+    public static class ErrorResponse {
         private String error;
         private String message;