I select to edit template in nprinting and get this message.
I am using using Nov 2017 version of qlik sense and nprinting.
Designer fails to open but can be found if you look in task manager.
I have found discussion regarding <deleterow>.
If you put two of these (<deleterow>) in one rwo you get this message.
I have deleted the <deleterow> row and saved.
The report work OK now.
Retrieving data ...