what version are you running?
This is a error message that comes from the cross platform software Beersmith uses (wxWidgets), not from Windows.
I suggest reinstalling Beersmith. But first, backup/copy your beersmith data directory just in case something else unexpected happens. I usually locate the beersmith data folder in Windows Explorer, right click on the folder and select Send to > Compressed (zipped) folder.
void wxDataFormat::SetId(const wxString& format)
{
m_format = (wxDataFormat::NativeFormat)::RegisterClipboardFormat(format.t_str());
if ( !m_format )
{
wxLogError(_("Couldn't register clipboard format '%s'."), format);
}
}