@@ -0,0 +1,520 @@
+package com.github.piotr_rusin.yule.exception;%0A%0Aimport org.springframework.http.HttpStatus;%0Aimport org.springframework.web.bind.annotation.ResponseStatus;%0A%0A@ResponseStatus(HttpStatus.NOT_FOUND)%0Apublic class PageNotFoundException extends RuntimeException %7B%0A%0A    private static final long serialVersionUID = -2092246239702410448L;%0A%0A    public PageNotFoundException(String message) %7B%0A        super(message);%0A    %7D%0A%0A    public PageNotFoundException(String message, Throwable cause) %7B%0A        super(message, cause);%0A    %7D%0A%0A%7D%0A

Add PageNotFoundException class