Hello James,
Was the streams (users) filter appearing on the map?
Can you reproduce and share the map to see if any error message shows in the browser console?
- Need help? Post the URL of the related page (eventualy as confidential info), it will help solve your issue faster.
- An error, notice or warning? report the exact message including the line number
- If you get a white page , enable error reporting and / or check your server error logs.