Function call "createacct" response is not valid, body:

Q)When I click the button to activate order in administration area, I get this error message:
Function call "createacct" response is not valid, body:
the account is opened on WHM but the system only sends email invoices without the login details and the order remains in pending status.

A)  Please always use https://github.com/boxbilling/extensions/blob/master/bb-library/Server/Manager/Whm.php
latest whm script. It is constantly being updated and is open source.
Download raw file from https://raw.github.com/boxbilling/extensions/master/bb-library/Server/Manager/Whm.php
And overwrite it to bb-library/Server/Manager/Whm.php

Function call "accountsummary" response is not valid, body

Q) After updated new version of boxbilling this massage appeared when try to new account create or try to Sync with server, now what can I do ??

"Function call "accountsummary" response is not valid, body: "

A) Simple, just Use secure connection in server configuration page.