diff --git a/Helper/FulfillmentHelper.php b/Helper/FulfillmentHelper.php
index 593780fb..54e9ede5 100644
--- a/Helper/FulfillmentHelper.php
+++ b/Helper/FulfillmentHelper.php
@@ -175,11 +175,11 @@ public function prepareFulfillmentToDatabase(\Signifyd\Models\Fulfillment $fulfi
         $fulfillment->setData('created_at', $fulfillmentData->createdAt);
         $fulfillment->setData('delivery_email', $fulfillmentData->deliveryEmail);
         $fulfillment->setData('fulfillment_status', $fulfillmentData->fulfillmentStatus);
-        $fulfillment->setData('tracking_numbers', $this->serializer->serialize($fulfillmentData->trackingNumbers));
-        $fulfillment->setData('tracking_urls', $this->serializer->serialize($fulfillmentData->trackingUrls));
-        $fulfillment->setData('products', $this->serializer->serialize($fulfillmentData->products));
+        $fulfillment->setData('tracking_numbers', $this->serialize($fulfillmentData->trackingNumbers));
+        $fulfillment->setData('tracking_urls', $this->serialize($fulfillmentData->trackingUrls));
+        $fulfillment->setData('products', $this->serialize($fulfillmentData->products));
         $fulfillment->setData('shipment_status', $fulfillmentData->shipmentStatus);
-        $fulfillment->setData('delivery_address', $this->serializer->serialize($fulfillmentData->deliveryAddress));
+        $fulfillment->setData('delivery_address', $this->serialize($fulfillmentData->deliveryAddress));
         $fulfillment->setData('recipient_name', $fulfillmentData->recipientName);
         $fulfillment->setData('confirmation_name', $fulfillmentData->confirmationName);
         $fulfillment->setData('confirmation_phone', $fulfillmentData->confirmationPhone);
@@ -188,6 +188,19 @@ public function prepareFulfillmentToDatabase(\Signifyd\Models\Fulfillment $fulfi
         return $fulfillment;
     }
 
+    /**
+     * @param $data
+     * @return bool|string
+     */
+    public function serialize($data)
+    {
+        try {
+            return $this->serializer->serialize($data);
+        } catch (\InvalidArgumentException $e) {
+            return '';
+        }
+    }
+
     /**
      * @param \Magento\Sales\Model\Order\Shipment $shipment
      * @return bool|\Signifyd\Models\Fulfillment
diff --git a/Model/Casedata.php b/Model/Casedata.php
index 7927a0da..aba4f5fc 100644
--- a/Model/Casedata.php
+++ b/Model/Casedata.php
@@ -525,7 +525,10 @@ public function getEntries($index = null)
         $entries = $this->getData('entries_text');
 
         if (!empty($entries)) {
-            $entries = $this->serializer->unserialize($entries);
+            try {
+                $entries = $this->serializer->unserialize($entries);
+            } catch (\InvalidArgumentException $e) {
+            }
         }
 
         if (!is_array($entries)) {
@@ -548,7 +551,11 @@ public function setEntries($index, $value = null)
             $entries[$index] = $value;
         }
 
-        $entries = $this->serializer->serialize($entries);
+        try {
+            $entries = $this->serializer->serialize($entries);
+        } catch (\InvalidArgumentException $e) {
+        }
+
         $this->setData('entries_text', $entries);
 
         return $this;
diff --git a/Ui/Component/Listing/Columns/CaseLink.php b/Ui/Component/Listing/Columns/CaseLink.php
index e1221b3c..c97764e0 100644
--- a/Ui/Component/Listing/Columns/CaseLink.php
+++ b/Ui/Component/Listing/Columns/CaseLink.php
@@ -5,6 +5,7 @@
  */
 namespace Signifyd\Connect\Ui\Component\Listing\Columns;
 
+use Braintree\Exception;
 use Magento\Framework\ObjectManagerInterface;
 use Magento\Framework\View\Element\UiComponent\ContextInterface;
 use Magento\Framework\View\Element\UiComponentFactory;
@@ -68,7 +69,10 @@ public function prepareDataSource(array $dataSource)
                     $entries = $case->getEntriesText();
 
                     if (!empty($entries)) {
-                        $entries = $this->serializer->unserialize($entries);
+                        try {
+                            $entries = $this->serializer->unserialize($entries);
+                        } catch (\InvalidArgumentException $e) {
+                        }
                         if (is_array($entries) && isset($entries['testInvestigation']) && $entries['testInvestigation'] == true) {
                             $item[$name] = "TEST: {$item[$name]}";
                         }