Can't select from list for Wake On Lan in OpUtils 5

Can't select from list for Wake On Lan in OpUtils 5

I have the trial version of OpUtils 5 and want to add a list of PCs to a WoL schedule.  I get the pop up box and click on the PCs I want and then click OK but the PCs never show up in the rule I'm creating.  Do I need the full version to add the PCs from a list?  I can add the PCs manually, but was hoping to test how easy it was to do a mass WoL setup.

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