Fixed ErrorException: [E_WARNING] mt_rand(): max(20) is smaller than min(30)


Affected version
Hello, i have this error on xenforo 2.1

[*]ErrorException: [E_WARNING] mt_rand(): max(20) is smaller than min(30)
[*]Generiert durch: 
[*]5. Februar 2019 um 09:52 Uhr
#0 [internal function]: XF::handlePhpError(2, '[E_WARNING] mt_...', '/www/htdocs/w01...', 411, Array)
#1 src/XF/Pub/Controller/AbstractController.php(411): mt_rand('30', '20')
#2 src/XF/Pub/Controller/AbstractController.php(27): XF\Pub\Controller\AbstractController->discourage('KeepAlive')
#3 src/XF/Mvc/Controller.php(123): XF\Pub\Controller\AbstractController->preDispatchType('KeepAlive', Object(XF\Mvc\ParameterBag))
#4 src/XF/Mvc/Dispatcher.php(320): XF\Mvc\Controller->preDispatch('KeepAlive', Object(XF\Mvc\ParameterBag))
#5 src/XF/Mvc/Dispatcher.php(244): XF\Mvc\Dispatcher->dispatchClass('XF:Login', 'KeepAlive', Object(XF\Mvc\RouteMatch), Object(XF\Pub\Controller\Login), NULL)
#6 src/XF/Mvc/Dispatcher.php(100): XF\Mvc\Dispatcher->dispatchFromMatch(Object(XF\Mvc\RouteMatch), Object(XF\Pub\Controller\Login), NULL)
#7 src/XF/Mvc/Dispatcher.php(50): XF\Mvc\Dispatcher->dispatchLoop(Object(XF\Mvc\RouteMatch))
#8 src/XF/App.php(2177): XF\Mvc\Dispatcher->run()
#9 src/XF.php(390): XF\App->run()
#10 index.php(20): XF::runApp('XF\\Pub\\App')
#11 {main}
Benötigter Status
array(4) {
  ["url"] => string(17) "/login/keep-alive"
  ["referrer"] => string(30) ""
  ["_GET"] => array(0) {
  ["_POST"] => array(2) {
    ["_xfResponseType"] => string(4) "json"
    ["_xfToken"] => string(8) "********"
That suggests you have a larger number in the min field than you do in the max field of the discouragement loading delay options:


We'll try and coerce some valid values for a future release though.
Thank you for reporting this issue. It has now been resolved and we are aiming to include it in a future XF release (2.1.1).

Change log:
For min-max options, add validation to ensure that the max is never less than the min.
Any changes made as a result of this issue being resolved may not be rolled out here until later.
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