I had the same “Object reference not set to an instance of an object” error while trying to follow the steps described in T200 MaintenanceForms. The Step 1.6.1 requires a “FieldUpdated” event handler to be created but I created another event. After deleting the unnecessary event handler code from the graph, I added the correct one. Then save and Publish.
I had the same error.To solve this error, in the Graph class you must have DAC based view declaration like this. public SelectFrom<DACNameHere>.View someName;The “someName” must me used in corresponding .aspx file. <px:PXFormView ID="form" runat="server" DataSourceID="ds" DataMember="someName"
I have found the solution. I have deleted the C:\Program Files\Acumatica ERP folder, and then run installer again, created a new Acumatica Instance, and now it is possible to publish any package.
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