aspenV10.0 property methods unifac or uniquac

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In previous versions of Aspen 7.1, when the property calculation method of Unifac or Uniquac was selected, a result would be obtained regardless of whether binary parameters were available; at most, the result would be that obtained using the ideal gas method. Sometimes, using the Uniquac method, when there is no binary interaction factor, it can still be estimated through the Unifac method. In any case, there is always a simulation result; as for whether it is accurate or not, that is another matter. But with the current Aspen V10.0, if there are no parameters provided, it simply stops working and shows a message saying “Calculations stopped because of missing property parameters”. The new version of the page has undergone significant changes. I was wondering whether this is because I forgot to select certain elements or if it’s always been like this. Could the experts here provide some guidance? .