I no longer see the black screen but I still get this error: Loading failed for the <script> with source “https://www.googletagmanager.com/gtag/js?id=UA-3548007

I no longer see the black screen but I still get this error: Loading failed for the <script> with source “https://www.googletagmanager.com/gtag/js?id=UA-35480078-3” https://www.googletagmanager.com/gtag/js?id=UA-35480078-3”.