Vaidy tackles ERROR: A valid exchange rate could not be found. Choose Continue to open the Exchange Rate Entry window, where you can enter or select a valid date in his latest post.
Dynamics GP – Learn & Discuss: ERROR: A valid exchange rate could not be found. Choose Continue to open the Exchange Rate Entry window, where you can enter or select a valid date.
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.