Error with DIBS payment module

Error with DIBS payment module

Hi, we using the DIBS payment module for our shop and everything works perfect until the returnpage from the Dibs payment page. The order goes thru, even email out from JoomShopper component works, the order is registrated but we getting "Payment method error 7" as return message in errorbox, nothing more, just that...
On the screenshot You have the values we have used...

What could be wrong?

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