Ignore collision errors from custom plumbed (non-`gitter.im`) Matrix rooms during message import v2
Ignore collision errors from custom plumbed (non-gitter.im
) Matrix rooms during message import v2
Follow-up to !2383 (merged) where we were mistakenly
trying to catch the E11000 MongoError when we already wrapped it in a RetrhwonError
. Now we
catch the actual MongoError (I think) before it's wrapped/masked at all.
Follow-up to !2313 (merged)
Part of #2609 (closed)