I'd suggest you to not create threads, especially within events and creations section, when you're insisting on not providing any info on what you're even posting about. You could simply use your activity wall if you don't want to give information but want to invite someone to come.
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Could you at least give us an idea what this is about?
you might as well wait with making a topic until you say something more.
Not even the slightest hint on what you are talking about.