package tars.commons.core;

/**
 * Container for user visible messages.
 */
public class Messages {

    public static final String MESSAGE_UNKNOWN_COMMAND = "Unknown command";
    public static final String MESSAGE_INVALID_COMMAND_FORMAT = "Invalid command format! \n%1$s";
    public static final String MESSAGE_INVALID_PERSON_DISPLAYED_INDEX = "The task index provided is invalid";
    public static final String MESSAGE_PERSONS_LISTED_OVERVIEW = "%1$d tasks listed!";

}

@@ -268,16 +268,86 @@
 n%251$s%22;%0A
+    public static final String MESSAGE_INVALID_DATE = %22Invalid date%22;%0A
     publ

Add new message for invalid date