I get the exception "Amount Excl. VAT i s readonly!" when updating the order lines for NAV 2015. We do have the same software for NAV 2013 that works fine. The NAV 2015 is development installed at a virtual Windows 8 machine wich we access through the network. As I understand the summarize fields below the order lines are new in NAV 2015.
I took two steps back and made a simple order test code from the sample at https://community.dynamics.com/nav/b/arounddynamicsnavworld/archive/2014/08/01/nav-web-services-connectivity-samples.aspx but gets the same result.
Has anyone an idea why?
Rgds Cyril

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