From dd30f45e73fe4f9d57e797bc25e39709b83b2c62 Mon Sep 17 00:00:00 2001
From: Saophalkun Ponlu <phalkunz@gmail.com>
Date: Mon, 1 Oct 2018 12:31:51 +1300
Subject: [PATCH] Fix an error when there's no hotspots

---
 code/traits/ProccessMapDataTrait.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/code/traits/ProccessMapDataTrait.php b/code/traits/ProccessMapDataTrait.php
index 5f04a0b..2f22c35 100644
--- a/code/traits/ProccessMapDataTrait.php
+++ b/code/traits/ProccessMapDataTrait.php
@@ -27,8 +27,10 @@ public function getImageMapViewableData()
         $data = json_decode($this->ProcessMapData, true);
         $arrayList = ArrayList::create();
 
-        foreach ($data as $value) {
-            $arrayList->push(Area::create($value));
+        if (is_array($data)) {
+            foreach ($data as $value) {
+                $arrayList->push(Area::create($value));
+            }
         }
 
         $arrayData = ArrayData::create([