Unable to load the XML schema, error 'item1' (ERR0145)

Build 1501 on 14/Nov/2017  This topic last edited on: 17/Mar/2016, at 16:50

This severe error occurs when GN4 discovers a problem when loading a schema.

The details of the problem are in 'item1'.

Click to toggle expand item1 = 'Data at the root level is invalid. Line 1, position 1.'