fixed when no schedules (null)

app/Business/SchedulesBusiness.php

                 throw $e;
             }
         }
-        $schedules = static::getSchedulesForDate($data["data"]["schedules"], $date);
 
         $schedulesCarbon = [];
-
-        for ($i = 0; $i < count($schedules) && $count > 0; ++$i) {
-            $scheduleDate = Carbon::createFromFormat(static::$timeFormat . " " . static::$dateFormat, $schedules[$i] . " " . $date->toDateString());
-            if ($scheduleDate->gte($date)) {
-                --$count;
-                $schedulesCarbon[] = $scheduleDate;
+        if (!is_null($data["data"]["schedules"])) {
+            $schedules = static::getSchedulesForDate($data["data"]["schedules"], $date);
+
+            for ($i = 0; $i < count($schedules) && $count > 0; ++$i) {
+                $scheduleDate = Carbon::createFromFormat(static::$timeFormat . " " . static::$dateFormat, $schedules[$i] . " " . $date->toDateString());
+                if ($scheduleDate->gte($date)) {
+                    --$count;
+                    $schedulesCarbon[] = $scheduleDate;
+                }
             }
         }