Visibility plugin always display a red zone and exclamation mark

[tolga ulas]

I am on Confluence 5.8.4, just installed VIsibility, but it always show  a red exclamation mark on both show-if and hide-if macros. 

[tolga ulas · Accepted solution]

Doh!. Apparently you have to go to servicerocket.com web site, create your self a key, download the key, go to administration page, click on Servicerocket link on the left vertical menu, then upload your licence.. As answered in https://answers.atlassian.com/questions/15280839