What's happening here? Why the responses vanished from my discussion

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I started a discussion yesterday and I recieved three responses too. The responses were within the guideline limits and I even added my comments to them. My discussion is still there but the responses have vanished today. The number inside the braces is not incremating truly. Some thing is wrong, did you noticed anything like this my friends? I am facing some odd happening since yesterday afternoon. what about you?