…I think it would just be the case of email notifications, in addition to the message on screen beneath each integration. You could say I want to be emailed immediately or daily, or just weekly about errors (and also be told in advance what email address the notification would come from, so you could whitelist in advance).
Then, the email notification itself would categorise by page, then the inegration/function thats at fault (because it could even be a simple case of the wrong address given for ‘email the leads’), followed by the integration error text, when that first happened and the consequence (i.e. integration not in place as a result since, said time).
If that could be an option for when you first create a page/integration for a page and be asked if you want to be notified by email of any errors it would be perfect. As in our case we setup and would return to unbounce weekly, but imagine if there was an error on a Monday and didn’t actually check-in til a Friday.