Thank you for sharing your project with us.
Are you Using a Dacast account linked with google analytics to see the viewer numbers? If yes you maybe not linked your Google analytics account with your Dacast account properly. This article could help you to better proceed https://www.dacast.com/support/knowledgebase/how-do-i-link-my-google-analytics-account-to-my-dacast-account/
In case your accounts are setup properly, I invite you to submit your question on live chat the support team will be happy to answer you.
Any question just let us know.