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Hi Dušan Jirásek,

This is something specific on your end. We need access to the Dashboard to be able check this issue. Could you please send it to support[at]gvectors.com email address.

I sent you access to your email.

Hi Dušan Jirásek,

wpDiscuz Widgets is designed only for post types. However, we've already added in our to-do list to make it selectively for different content types.  We'll add this feature in future releases.

For now I suggest disabling this tab.