Error when using "HTTP Alert Action" app

[tmontney]

https://splunkbase.splunk.com/app/5022

I get this error when configuring the app to send email: Unexpected error: too many values to unpack (expected 2).

• Endpoint: https://myserver.local:12581/Path/Here/{ContainerID}
• Headers: Authorization=Basic abcdefg12345==
• Body: {"Property1":"{Property1}","Property2":"{Property2}"}