I need to create to a header for my aplication in the Universal, and I want to use the custom screen functionality as described here.
For some reason i continue to receive an unkown error] message in the aplication as soon as I set the HTML field to an expression.
What am I doing wrong?
in the expression field I´ve tried full html, starting with div tags, and plain text, but it all leads to the same error.
Here are my settings: