I'm facing an issue with "Qlik Sense WEbsocket Connectivity Tester" using IE11.
Error
![makunii_0-1593968557342.png makunii_0-1593968557342.png](https://community.qlik.com/t5/image/serverpage/image-id/36967iEF7E87FEF0D00056/image-size/large?v=v2&px=999)
Developer tool:
![makunii_1-1593968729134.png makunii_1-1593968729134.png](https://community.qlik.com/t5/image/serverpage/image-id/36968iEFC9DF70E175EB57/image-size/large?v=v2&px=999)
When I use Google Chrome or firefox everything working fine!
Does anybody have an idea?
I'm using Qlik Sense June 2020 Patch 1 - 13.82.6
Windows Server 2019 Std