Issue: Table .vw_usercount' doesn't exist (uninstall error)

Zend_Db_Statement_Mysqli_Exception: Mysqli prepare error: Table xxx_test4-xf.vw_usercount' doesn't exist - library/Zend/Db/Statement/Mysqli.php:77
Generated By: Alfa, 1 minute ago

Stack Trace
#0 /library/Zend/Db/Statement.php(115): Zend_Db_Statement_Mysqli->_prepare('\n\t\t\tSELECT user...')
#1 /library/Zend/Db/Adapter/Mysqli.php(381): Zend_Db_Statement->__construct(Object(Zend_Db_Adapter_Mysqli), '\n\t\t\tSELECT user...')
#2 /library/Zend/Db/Adapter/Abstract.php(478): Zend_Db_Adapter_Mysqli->prepare('\n\t\t\tSELECT user...')
#3 /library/Zend/Db/Adapter/Abstract.php(753): Zend_Db_Adapter_Abstract->query('\n\t\t\tSELECT user...', Array)
#4 /library/XenForo/Model/User.php(446): Zend_Db_Adapter_Abstract->fetchRow('\n\t\t\tSELECT user...', 125716)
#5 /library/XenForo/Model/User.php(945): XenForo_Model_User->getUserById(125716, Array)
#6 /library/XenForo/DataWriter/User.php(242): XenForo_Model_User->getFullUserById(125716)
#7 /library/XenForo/DataWriter.php(563): XenForo_DataWriter_User->_getExistingData(125716)
#8 /library/XenForo/Deferred/User.php(31): XenForo_DataWriter->setExistingData(125716)
#9 /library/XenForo/Deferred/Atomic.php(66): XenForo_Deferred_User->execute(Array, Array, 4.7337543964386, '')
#10 /library/XenForo/Model/Deferred.php(295): XenForo_Deferred_Atomic->execute(Array, Array, 4.7338771820068, '')
#11 /library/XenForo/Model/Deferred.php(429): XenForo_Model_Deferred->runDeferred(Array, 4.7338771820068, '', false)
#12 /library/XenForo/Model/Deferred.php(374): XenForo_Model_Deferred->_runInternal(Array, 4.7338790893555, '', false)
#13 /library/XenForo/ViewRenderer/Abstract.php(352): XenForo_Model_Deferred->run(true, 4.7338790893555)
#14 /library/XenForo/ViewRenderer/HtmlAdmin.php(50): XenForo_ViewRenderer_Abstract::hasManualDeferredToRun()
#15 /library/XenForo/FrontController.php(617): XenForo_ViewRenderer_HtmlAdmin->renderRedirect(4, 'https://area51....', NULL, Array)
#16 /library/XenForo/FrontController.php(158): XenForo_FrontController->renderView(Object(XenForo_ControllerResponse_Redirect), Object(XenForo_ViewRenderer_HtmlAdmin), Array)
#17 /admin.php(13): XenForo_FrontController->run()
#18 {main}
Request State
array(3) {
  ["url"] => string(72) "https://site.com/admin.php?add-ons/vaultwiki/delete"
  ["_GET"] => array(1) {
    ["add-ons/vaultwiki/delete"] => string(0) ""
  }
  ["_POST"] => array(2) {
    ["_xfConfirm"] => string(1) "1"
    ["_xfToken"] => string(8) "********"
  }
}