@@ -0,0 +1,276 @@
+package sg.ncl.common.exceptions;%0A%0Aimport org.springframework.http.HttpStatus;%0Aimport org.springframework.web.bind.annotation.ResponseStatus;%0A%0A/**%0A * @author Christopher Zhong%0A */%0A@ResponseStatus(HttpStatus.CONFLICT)%0Apublic class ConflictException extends RuntimeException %7B%7D%0A

Add `ConflictException` as a general exception for dealing with conflicts of data (DEV-99)