From 8c38fc6afe45514645af80203c3d40d71b1b3666 Mon Sep 17 00:00:00 2001
From: Boris Muratov <8bee278@gmail.com>
Date: Fri, 7 Apr 2023 06:59:53 +0300
Subject: Handle archival task of deleted post

---
 bot/exts/help_channels/_channel.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bot/exts/help_channels/_channel.py b/bot/exts/help_channels/_channel.py
index e11adcb75..3e674dfb9 100644
--- a/bot/exts/help_channels/_channel.py
+++ b/bot/exts/help_channels/_channel.py
@@ -215,6 +215,12 @@ async def maybe_archive_idle_post(post: discord.Thread, scheduler: scheduling.Sc
     If `has_task` is True and rescheduling is required, the extant task to make the post
     dormant will first be cancelled.
     """
+    try:
+        await post.guild.fetch_channel(post.id)
+    except discord.HTTPException:
+        log.trace(f"Not closing missing post #{post} ({post.id}).")
+        return
+
     if post.locked:
         log.trace(f"Not closing already closed post #{post} ({post.id}).")
         return
-- 
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