This is a pretty obscure eConnect issue that had me puzzled for several minutes.
I'm working on an upgrade of a client's existing eConnect integration. One component of the integration involves updating existing SOP Orders in Dynamics GP.
When the integration code submits the order update to eConnect on my development server, I get this error...
Continued on Source: Dynamics GP Land: eConnect Error 110 when Updating Existing SOP Order: Item number/location code does not exist in inventory