Hi, We have updated the WHMCS Module V2, please download the new files and update the module. You can download the new module from the following link : http://www.virtualizor.com/wiki/WHMCS_Module_V2#Download This update has the following changes : 1) Added callbacks from Virtualizor. For this feature Virtualizor should be updated to version 2.8.5. Here is the guide for how to configure Callback for WHMCS V2 : http://virtualizor.com/wiki/WHMCS_Module_V2#Callback 2) Added error handler, so that while terminating a VPS which is in rescue mode, it will throw an error. Regards, Virtualizor Team.