Licence key not working with version 8.2

I copied the new library alongside the other library folder. There shouldn’t be a problem. And my browser cache is disabled.

The link you provided is the plus version which is working without problems. I only need the viewer for our project. With the plus version i get the watermark and lot of functions we don’t need.

I tried the NPM and also the manual integration method for the viewer version. Both have the same problem with verifying the key.

Thank you!