multiple invoices with one payment SDEV-421

app/Classes/Exceptions/RequestValidationException.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Classes\Exceptions;
+
+use App\Classes\ValueObjects\Constants\HttpStatus;
+
+final class RequestValidationException extends ServiceApiException {
+    public function __construct(?string $message = null) {
+        parent::__construct($message ?? 'Unable to process the request due to validation failure', HttpStatus::VALIDATION_FAILED);
+    }
+}