April 26, 2019 Update:

• This issue is resolved in the  April 2019 Release of NPrinting which is now available for download from the Qlik Downloads site
• Link: Qlik Support Downloads site

This problem occurs when a user connected to the NPrinting Web Console with Internet Explorer tries to edit a report. The problem is affecting only updated Windows machines.

To replicate the problem:
1. Install the Windows update KB4489881 (Monthly Rollup)

https://support.microsoft.com/en-us/help/4489881/windows-8-1-update-kb4489881

2. Connect to NPrinting Internet  Explorer
3. Go to Reports and open a report or create a new one
4. Click on Edit Template
5. Click "Allow" if requested,

The"The given key was not present in the dictionary" error message is shown. Only the option to click OK is given. NPrinting Designer cannot be opened. NPrinting designer was working correctly before the mentioned Windows update.

Environment:

• NPrinting 17 any releases
• NPrinting 18 any releases
• NPrinting 19 February release

Cause

The problem is due to a change introduced with the mentioned Windows update - KB4489881 (Monthly Rollup). Further analysis are currently performed by Qlik Development team to resolve the problem.

Update: This issue is resolved in the upcoming April 2019 Release of NPrinting which should be available for download from the Qlik Downloads site by mid April 2019.

Resolution

NOTE: There are two possible workarounds:

1. The problem is affecting Internet Explorer only. Connect to the NPrinting Web console using a different browser. Firefox, Chrome and Edge have been tested successfully.
2. The problem can be solved by removing the Windows update KB4489881 (Monthly Rollup)

NOTE: If you are still experiencing this issue after installing April 2019 or later releases of NPrinting, please report it as a new defect to the Qlik Support desk or your Qlik support partner. Subsequent windows updates may be affecting/reintroducing this issue.

Disclaimer