CF7-3rdParty Integration Failure: Salesforce

I will got this error on mail.

CF7-3rdParty Integration Failure: Salesforce

**RAW RESPONSE**
Array
(
    [reason] => Could not locate success clause within response
    [safe_message] => Success Clause not found
    [clause] => Thank you for your email.We will get back to you soon!
    [response] =>
)

please help to find this solution

https://wordpress.org/plugins/forms-3rdparty-integration/