qlik sense on a tv screen with Optisings solution

[Controller1]

hi, 

i need help. we want to put a qlik app on  tv screen with a Optisings solution. we have every time a mistake like this. what we can do that we don t have this? mistake 500. what is it?

[BenjaminT]

This can be a cookies issue. You could try clearing the cookie entry for your Qlik domain in browser settings 

[Controller1]

I will try it but i dont´t know if it´s the mistaske. thanks for your help