Log in to Blackboard
Go to your course.
Click Lecture Videos (Panopto) from the left navigation menu.
Click the tilted upward arrow at the top right corner of the Panopto window.
A Panopto pop-up window will appear with your account already logged in.
You can monitor the compatibility of your browser and the error on the website.
https://help.blackboard.com/Learn/Student/Ultra/Getting_Started/Browser_Support/Browser_Checker
When you try to access the Blackboard – “Lecture Videos Panopto” tab via any browser and receive an error, you encounter this error due to the popup settings of your browser. You can benefit from the solution on the relevant page. Whichever browser you are using, activating the popup setting of that browser will solve the problem.
https://support.panopto.com/s/article/How-to-Enable-Third-Party-Cookies-in-Supported-Browsers