Error arming SimpliSafe alarm

I just installed Simplisafe and Home Assistant. I tried running an Automation and get this error, any ideas?

Logger: homeassistant.components.simplisafe
Source: components/simplisafe/
Integration: SimpliSafe (documentation, issues)
First occurred: 8:23:44 AM (1 occurrences)
Last logged: 8:23:44 AM

Error while arming "4599595" (away): Endpoint unavailable in plan: ss3/subscriptions/4599595/state/away

If you aren’t using their interactive monitoring monthly plan, then the API isn’t available to your account.