Hey folks!
Wanted to chime in here that it seems like there may be two different issues that were occuring.
Ingevar, I believe your issue should be fixed up now -- it seems that the proper version of the module was not granted via our automated processes. A manual fix was done and you should have the appropriate version. If anyone else runs into issues with Frozen sick that match Ingevar's description, send us a request via roll20.net/help!
For Asha and Maxximov, these do sound slightly different as you mention the checkmark appearing but it is unresponsive.
This sounds like there is an issue going on that is causing an error, so as Keith mentioned with the console logs, if you can gather those and send them into the support team via roll20.net/help it would help us pinpoint what is going on here!