Sorry, key validation server is not available. Post date Home › Forums › Calendar Products › Community Events › Sorry, key validation server is not available. This topic has 3 replies, 2 voices, and was last updated 5 years, 10 months ago by Support Droid. Viewing 1 post (of 1 total) Author Posts May 28, 2018 at 11:16 am #1540221 Support DroidKeymaster This support thread is private. Author Posts Viewing 1 post (of 1 total) The topic ‘Sorry, key validation server is not available.’ is closed to new replies. → Please verify your API key is correctly entered on the settings