Kelly Youells tackles the “ADO Field is Nothing” error message in Integration Manager
We’ve visited this before on DynamicAccounting.net but Kelly delivers the topic with her usual thoroughness so it’s definitely worth reading.
“ADO Field is Nothing” error message in Integration Manager – Dynamics GP Support and Services Blog
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.