3577822 - Error "Invalid Email Template" When Creating Autoflow

Error "Invalid email template" faced while creating an autoflow.

 "Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental." 

SAP Sales and Service Cloud V2

1. Navigate to Settings--> Autoflow.
2. Click on + button.
3. Choose an Entity (Ex: Account), Event Types (Ex: Create Account). 
4. Select the field (Ex: Country/Region Code (default Address/country). Maintain the value as Ex: "AD-Andorra".
5. Now Save you will get error Invalid email template.

All relevant Details/Actions are not filled in the "Send Email" section. 

All relevant action Should be filled.

Invalid email template, Autoflow  , KBA , CEC-CRM-AFL , Autoflow for SAP Sales/Service Cloud , How To