Seeing blank warning messages when Salesforce Visualforce page loads
When the object record page containing the Connector Visualforce Page loads, blank warning message boxes pop up at the Associate Confluence page section.
The Remote Site Settings page has not been configured or has been configured incorrectly.
In Salesforce, click Setup on the navigation bar.
Type "Remote Site Settings" in the search bar. Then, click Remote Site Settings.
Click Edit on the existing Remote Sites or click New Remote Site if you have not set this up.
Set your own name for Remote Site Name and set "https://sfjc.servicerocket.io" as the Remote Site URL.
Click Save to keep the changes made.