Upcoming changes to how CSS for custom Qlik Analytics themes is handled.

[chiragpatel]

Hi,

I'm trying to verify if upcoming changes to how css is handled on our dashboards using method below.

But I get the below error, does anyone know what this is and how to fix it?

Thank you

[vighnesh_gawad]

can you share link from where you taking first photo from?

[chiragpatel]

***Edited

Sorry misread your message, first photo is from here 

Upcoming changes to how CSS for custom Qlik Analytics themes is handled