Joomla 2.5 & VM 2 - VM - Best Sales incorrect display of quantity of the goods

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Hi ALL!

My test system: Joomla 2.5 & VM 2

Found such mistake, if there are ideas how to correct, tell, don't keep in itself:
On a homepage of a site showed the VM module - Best Sales (Displays the Recommended goods, Leaders of sales, the Casual goods or Novelties.) all ok, shows the necessary quantity of the goods, BUT as soon as I will become authorized in front-end, starts to display only one goods, I press logout, again all OK.

Help me.

See: