Issue: Undefined index: field

Error Info
ErrorException: Undefined index: field - vault/install/lib/db/create/vw.php:118 
Generated By: Alfa, 2 minutes ago

Stack Trace
#0 /vault/install/lib/db/create/vw.php(118): XenForo_Application::handlePhpError(8, 'Undefined index...', '/home/...', 118, Array)
#1 /vault/install/lib/full/steps/vw.php(33): vw_Install_DB_Create_Controller->execute(Object(vw_Install_View_XF), Object(vw_Install_Text_Full_View))
#2 /vault/core/controller/progress/steps/vw.php(83): vw_Install_Full_Steps_Controller->{closure}(Object(vw_Install_Full_Controller_XF), true)
#3 /vault/core/controller/progress/steps/vw.php(53): vw_Progress_Steps_Controller->call(Object(vw_Install_Full_Controller_XF), Object(Closure))
#4 /vault/install/lib/full/steps/vw.php(244): vw_Progress_Steps_Controller->execute(Object(vw_Install_Full_Controller_XF))
#5 /vault/core/controller/progress/vw.php(92): vw_Install_Full_Steps_Controller->execute(Object(vw_Install_Full_Controller_XF))
#6 /vault/core/controller/progress/vw.php(74): vw_Progress_Controller->exec_script(Array)
#7 /vault/core/controller/cp/progress/vw.php(35): vw_Progress_Controller->execute()
#8 /vault/core/controller/cp/install/vw.php(258): vw_CP_Progress_Controller->process(Object(vw_Install_Full_Controller_XF))
#9 /vault/core/controller/cp/install/vw.php(62): vw_CP_Install_Controller->install()
#10 /library/vw/XenForo/ControllerAdmin/Wiki.php(118): vw_CP_Install_Controller->execute('1', 'post')
#11 /library/vw/XenForo/ControllerAdmin/Wiki.php(176): vw_XenForo_ControllerAdmin_Wiki->actionIndex()
#12 /library/vw/XenForo/ControllerAdmin/Wiki.php(186): vw_XenForo_ControllerAdmin_Wiki->actionUpgrade()
#13 /library/XenForo/FrontController.php(351): vw_XenForo_ControllerAdmin_Wiki->actionInstall()
#14 /library/XenForo/FrontController.php(134): XenForo_FrontController->dispatch(Object(XenForo_RouteMatch))
#15 /admin.php(13): XenForo_FrontController->run()
#16 {main}
Request State
array(3) {
  ["url"] => string(49) "https://site.com/admin.php?wiki/install"
  ["_GET"] => array(1) {
    ["wiki/install"] => string(0) ""
  }
  ["_POST"] => array(4) {
    ["step"] => string(1) "1"
    ["_xfToken"] => string(8) "********"
    ["sbutton"] => string(7) "Install"
    ["do"] => string(1) "1"
  }
}