So chances are you just copied the wrong link with msgID
The fault is not from the user but most probably a cache error. When replies are deleted the forum system needs to recount and correct arrangements on the thread, this may take a while especially in mega threads but would eventually be fixed, and during this period replies would likely be misplaced.
There was a thread on this recently, and the user testified that it was fixed after a while, so OP just needs to wait a bit;
I see. Anyway, it's fixed now. Just took a little bit of time.
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