diff --git a/spec/Fenos/Notifynder/Builder/NotifynderBuilderSpec.php b/spec/Fenos/Notifynder/Builder/NotifynderBuilderSpec.php
index 3c609ea..ec59a80 100755
--- a/spec/Fenos/Notifynder/Builder/NotifynderBuilderSpec.php
+++ b/spec/Fenos/Notifynder/Builder/NotifynderBuilderSpec.php
@@ -5,7 +5,10 @@
 use Carbon\Carbon;
 use Fenos\Notifynder\Builder\NotifynderBuilder;
 use Fenos\Notifynder\Categories\CategoryManager;
+use Fenos\Notifynder\Exceptions\EntityNotIterableException;
+use Fenos\Notifynder\Exceptions\IterableIsEmptyException;
 use Fenos\Notifynder\Models\NotificationCategory;
+use Illuminate\Support\Collection;
 use PhpSpec\ObjectBehavior;
 use Prophecy\Argument;
 
@@ -92,6 +95,8 @@ function it_allow_only_string_as_url()
     /** @test */
     function it_add_the_expire_parameter_to_the_builder()
     {
+        date_default_timezone_set('UTC');
+
         $datetime = new Carbon;
 
         $this->expire($datetime)->shouldReturnAnInstanceOf(NotifynderBuilder::class);
@@ -164,9 +169,36 @@ function it_create_a_builder_array_using_a_raw_closure()
 
     public function it_create_multi_notification_in_a_loop()
     {
-        $cloure = function(NotifynderBuilder $builder,$data,$key)
+        $closure = function(NotifynderBuilder $builder,$data,$key)
+        {
+            return $builder->to(1)->from(2)->url('notifynder.io')->category(1);
+        };
+    }
+
+    public function it_create_empty_array_loop_builder()
+    {
+        $closure = function(NotifynderBuilder $builder,$data,$key)
+        {
+            return $builder->to(1)->from(2)->url('notifynder.io')->category(1);
+        };
+        $this->shouldThrow(IterableIsEmptyException::class)->during('loop', [[], $closure]);
+    }
+
+    public function it_create_empty_collection_loop_builder()
+    {
+        $closure = function(NotifynderBuilder $builder,$data,$key)
+        {
+            return $builder->to(1)->from(2)->url('notifynder.io')->category(1);
+        };
+        $this->shouldThrow(IterableIsEmptyException::class)->during('loop', [new Collection([]), $closure]);
+    }
+
+    public function it_create_not_iterable_loop_builder()
+    {
+        $closure = function(NotifynderBuilder $builder,$data,$key)
         {
             return $builder->to(1)->from(2)->url('notifynder.io')->category(1);
         };
+        $this->shouldThrow(EntityNotIterableException::class)->during('loop', ['hello world', $closure]);
     }
 }
diff --git a/src/Notifynder/Builder/NotifynderBuilder.php b/src/Notifynder/Builder/NotifynderBuilder.php
index 6e24961..8ffa213 100755
--- a/src/Notifynder/Builder/NotifynderBuilder.php
+++ b/src/Notifynder/Builder/NotifynderBuilder.php
@@ -3,10 +3,11 @@
 use ArrayAccess;
 use Carbon\Carbon;
 use Fenos\Notifynder\Contracts\NotifynderCategory;
+use Fenos\Notifynder\Exceptions\EntityNotIterableException;
+use Fenos\Notifynder\Exceptions\IterableIsEmptyException;
 use Fenos\Notifynder\Exceptions\NotificationBuilderException;
 use Illuminate\Contracts\Config\Repository;
 use Illuminate\Database\Eloquent\Model;
-use InvalidArgumentException;
 use Traversable;
 use Closure;
 
@@ -175,26 +176,30 @@ public function raw(Closure $closure)
      * @param          $dataToIterate
      * @param  Closure $builder
      * @return $this
-     * @throws NotificationBuilderException
+     * @throws \Fenos\Notifynder\Exceptions\IterableIsEmptyException
+     * @throws \Fenos\Notifynder\Exceptions\EntityNotIterableException
      */
     public function loop($dataToIterate, Closure $builder)
     {
         if ($this->isIterable($dataToIterate)) {
-            $notifications = [];
+            if(count($dataToIterate) > 0) {
+                $notifications = [];
 
-            $newBuilder = new self($this->notifynderCategory);
+                $newBuilder = new self($this->notifynderCategory);
 
-            foreach ($dataToIterate as $key => $data) {
-                $builder($newBuilder, $data, $key);
-                $notifications[] = $newBuilder->toArray();
-            }
+                foreach ($dataToIterate as $key => $data) {
+                    $builder($newBuilder, $data, $key);
+                    $notifications[] = $newBuilder->toArray();
+                }
 
-            $this->notifications = $notifications;
-            return $this;
+                $this->notifications = $notifications;
+                return $this;
+            } else {
+                throw new IterableIsEmptyException('The Iterable passed must contain at least one element');
+            }
+        } else {
+            throw new EntityNotIterableException('The data passed must be itarable');
         }
-
-        $error = "The data passed must be itarable";
-        throw new InvalidArgumentException($error);
     }
 
     /**
diff --git a/src/Notifynder/Exceptions/EntityNotIterableException.php b/src/Notifynder/Exceptions/EntityNotIterableException.php
new file mode 100644
index 0000000..40a5893
--- /dev/null
+++ b/src/Notifynder/Exceptions/EntityNotIterableException.php
@@ -0,0 +1,12 @@
+<?php namespace Fenos\Notifynder\Exceptions;
+
+use Exception;
+
+/**
+ * Class EntityNotSpecifiedException
+ *
+ * @package Fenos\Notifynder\Exceptions
+ */
+class EntityNotIterableException extends Exception
+{
+}
diff --git a/src/Notifynder/Exceptions/IterableIsEmptyException.php b/src/Notifynder/Exceptions/IterableIsEmptyException.php
new file mode 100644
index 0000000..16b616a
--- /dev/null
+++ b/src/Notifynder/Exceptions/IterableIsEmptyException.php
@@ -0,0 +1,12 @@
+<?php namespace Fenos\Notifynder\Exceptions;
+
+use Exception;
+
+/**
+ * Class EntityNotSpecifiedException
+ *
+ * @package Fenos\Notifynder\Exceptions
+ */
+class IterableIsEmptyException extends Exception
+{
+}