Try deleting replaycache.dat file from replays folder, going to replays and waiting until it refreshes the cache.
If that still doesn't help, please upload your replaycache file so I could investigate why it's happening.
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update: found the cause, fixed in today's 5.4 beta update
Last edited by sir; Dec 24, 2018 at 07:47 PM.
Reason: <24 hour edit/bump