Fix Discord 404s (#1475)

Author: garrrikkotua

services/libs/integrations/src/integrations/discord/api/getMessage.ts

@@ -22,6 +22,7 @@ export const getMessage = async (
   } catch (err) {
     if (
       err.response &&
+      err.response.status === 404 &&
       err.response.data &&
       err.response.data.message === 'Unknown Channel' &&
       err.response.data.code === 10003
@@ -31,6 +32,24 @@ export const getMessage = async (
         'Discord API returned Unknown Channel error when fetching message during webhook processing, skipping message.',
       )
       return null
+    } else if (
+      err.response &&
+      err.response.status === 404 &&
+      err.response.data &&
+      err.response.data.message === 'Unknown Message' &&
+      err.response.data.code === 10008
+    ) {
+      ctx.log.warn(
+        { channelId, messageId },
+        'Discord API returned Unknown Message error when fetching message during webhook processing, skipping message.',
+      )
+      return null
+    } else if (err.response && err.response.status === 404) {
+      ctx.log.warn(
+        { channelId, messageId },
+        'Discord API returned 404 error when fetching message during webhook processing, skipping message.',
+      )
+      return null
     } else {
       const newErr = handleDiscordError(err, config, { channelId, messageId }, ctx)
       throw newErr