Cannot configure From email address for default email configuration (Service: AWSCognitoIdentityProviderService; Status Code: 400; Error Code: InvalidParameterException code example
Example: Cannot configure From email address for default email configuration (Service: AWSCognitoIdentityProviderService; Status Code: 400; Error Code: InvalidParameterException; Request ID
Just remove the entry from the "FROM Email address".
It seems that if you provide the SES ARN,
it doesn't take the Email