@Xon - I install your addon in my forum and it's error

Code:
#0 /public_html/library/SV/ConversationImprovements/Installer.php(67): SV_Utils_Install::updateXenEsMapping(Array, Array)
#1 [internal function]: SV_ConversationImprovements_Installer::install(false, Array, Object(SimpleXMLElement))
#2 /public_html/library/XenForo/Model/AddOn.php(215): call_user_func(Array, false, Array, Object(SimpleXMLElement))
#3 /public_html/library/XenForo/Model/AddOn.php(169): XenForo_Model_AddOn->installAddOnXml(Object(SimpleXMLElement), false)
#4 /public_html/library/XenForo/ControllerAdmin/AddOn.php(188): XenForo_Model_AddOn->installAddOnXmlFromFile('/tmp/php2jSy2W')
#5 /public_html/library/XenForo/FrontController.php(347): XenForo_ControllerAdmin_AddOn->actionInstall()
#6 /public_html/library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#7 /public_html/admin.php(13): XenForo_FrontController->run()
#8 {main}