Access "Software Asset" -> "Content Service Setup" to turn on / off for each category then click on "Save" button.
The expected behaviour after click on "Save" is showing the message:
"Selection(s) for the Software Asset Management Content Service have been successfully saved."
In customer's case, the page didn't return any message after click on 'Save', indicate the save function is not working
"glide.security.use_csrf_token" in 'sys_properties' table has value set to false.
set "glide.security.use_csrf_token" value to true
1. This "Opt-In" screen (first time access "Content Service Setup") will have the same behaviour (not response after click on the button) with the property value set as false.
2. When you enable Chrome debug -> Console, notice following error.