"Must provide a Functional Currency" error message when integrating a Sales Transaction with eConnect Content provided by Microsoft TechKnowledge Content Symptoms When integrating a Sales Transaction with eConnect, you may receive the following error message:Receiving error that"Must provide a functional currency"Cause A Functional Currency and a Reporting Currency are not setup in Great Plains.Resolution 1. In Great Plains click Setup, click Financial, and then click Multicurrency.2. Verify there is a Functional Currency and a Reporting Currency setup in the Multicurrency Setup window.This article was TechKnowledge Document ID: 33500 Last Updated: 7 Mar 2017 Was this information helpful? Yes No Tell us what we can do to improve the article Submit Thanks! Your feedback will help us improve the support experience.