Keywords: Signals Notebook, login, license, access, site subscription, register.
You are getting the below error message because your Signals Notebook subscription has expired.
Please contact your account manager from PerkinElmer to get this addressed. In case you do not know your account manager, please contact email@example.com mentioning your Signals Notebook tenant URL and also the screenshot showing the error along with the URL.
If your license has been recently renewed, please go to https://informatics.perkinelmer.com/sitesubscription/, Search for your Institution, and click "Register" to Access PerkinElmer Cloud Applications.