We all know that you have an error as it is shown on your screenshot.
What you are not telling us is:
version & SR of QlikView
version & SR of NPrinting
if the report you are trying to download was working before
is this intermittent issue or new issue
what do you see in logs
did you turn on Debug logs in NPrinting?
are you able to run this report directly from NPrinitng (not via OnDemand)
was OnDemand configured and working previously in your environmnet?
were/are you able to runany other OnDemand reports?
Do you need to apply selections before you run report?
What is the expected output?
do you use section access?
These are just basic question we need to ask to get high leve understanding of the problem.
Maybe you can share little bit more light so we can actually help you with this.
When applicable please mark the appropriate replies as CORRECT https://community.qlik.com/docs/DOC-14806. This will help community members and Qlik Employees know which discussions have already been addressed and have a possible known solution. Please mark threads as HELPFUL if the provided solution is helpful to the problem, but does not necessarily solve the indicated problem. You can mark multiple threads as HELPFUL if you feel additional info is useful to others.
cheers Lech, When applicable please mark the correct/appropriate replies as "solution" (you can mark up to 3 "solutions". Please LIKE threads if the provided solution is helpful to the problem.