Issue in generating session using R

[vbs]

Getting the error while trying to generate session in r<br><br><b>code</b><br><br>
object = create_connection_object(list(api_key="xxxxxxx")) <br>
object = generate_session(object,"xxxxx","xxxxxx")
<br><br>
<b>Error</b><br><br>
inside try catch<br>
api.login<br>
No encoding supplied: defaulting to UTF-8.<br>
<br>
Error: $ operator is invalid for atomic vectors