Maps API not working. Event showing grey screen in map section. Post date Home › Forums › Calendar Products › Events Calendar PRO › Maps API not working. Event showing grey screen in map section. This topic has 1 reply, 2 voices, and was last updated 7 years, 7 months ago by Support Droid. Viewing 1 post (of 1 total) Author Posts August 24, 2018 at 8:56 pm #1605605 Support DroidKeymaster This support thread is private. Author Posts Viewing 1 post (of 1 total) The topic ‘Maps API not working. Event showing grey screen in map section.’ is closed to new replies. → Please verify your API key is correctly entered on the settings