Fix issue with subtask forecast

app/Model/SubtaskForecast.php

@@ -81,9 +81,15 @@ class SubtaskForecast extends Base
             $start = $slot[0]->getTimestamp();
 
             if ($slot[0] < $start_date) {
+
+                if (! $this->dateParser->withinDateRange($start_date, $slot[0], $slot[1])) {
                     continue;
                 }
 
+                $interval = $this->dateParser->getHours(new DateTime, $slot[1]);
+                $start = time();
+            }
+
             while ($offset < $total) {
 
                 $event = array(