diff --git a/src/main/java/com/example/template/OrderException.java b/src/main/java/com/example/template/OrderException.java
new file mode 100644
index 0000000..f664456
--- /dev/null
+++ b/src/main/java/com/example/template/OrderException.java
@@ -0,0 +1,11 @@
+package com.example.template;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(code = HttpStatus.INTERNAL_SERVER_ERROR) //(reason = "No Available stock!")
+public class OrderException extends RuntimeException {
+    public OrderException(String message) {
+        super(message);
+    }
+}