From 619c3f28f7c5fcd2c8da1b43b50385f539cdf4f1 Mon Sep 17 00:00:00 2001
From: DiscordLiz <47602820+DiscordLiz@users.noreply.github.com>
Date: Thu, 21 Feb 2019 21:33:45 -0500
Subject: [PATCH] fix case generation for cases which were not logged to modlog
 channel (#2477)

Add documentation for failure cases
Prevent an expected failure case.
---
 redbot/core/modlog.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/redbot/core/modlog.py b/redbot/core/modlog.py
index e44364034..6824b2c27 100644
--- a/redbot/core/modlog.py
+++ b/redbot/core/modlog.py
@@ -237,9 +237,21 @@ class Case:
         Case
             The case object for the requested case
 
+        Raises
+        ------
+        `discord.NotFound`
+            The user the case is for no longer exists
+        `discord.Forbidden`
+            Cannot read message history to fetch the original message.
+        `discord.HTTPException`
+            A generic API issue
         """
         guild = mod_channel.guild
-        message = await mod_channel.get_message(data["message"])
+        if data["message"]:
+            try:
+                message = await mod_channel.get_message(data["message"])
+            except discord.NotFound:
+                message = None
         user = await bot.get_user_info(data["user"])
         moderator = guild.get_member(data["moderator"])
         channel = guild.get_channel(data["channel"])