Just to confirm, have you checked our Help Center article that has info on troubleshooting streaming issues: https://goo.gl/uWE7KD ? If the issue still persists, send us a screenshot of what you see on the 'Status and Feature' page under 'Channel'? We'll look into it!
Looks like you've received a Community Guidelines strike due to which the ability to live stream has been disabled. If you believe you've received a strike in error, you can always appeal and our team will review it. Here's how: https://goo.gl/rgC8ZY . Hope this helps.