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  @ExceptionHandler(DuplicatedEmailException.class)
    public ResponseEntity<ProjectResponse> handleException(DuplicatedEmailException ex) {
        return ResponseEntity.badRequest().body(new ProjectResponse(ex.getMessage()));
    }
//........................
 @ExceptionHandler(DuplicatedEmailException.class)
    public ResponseEntity<String> handleException(DuplicatedEmailException ex) {
        return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Email already exists");
    }