diff --git a/README.md b/README.md
index ccd8616..f5f3032 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,8 @@ This repository contains the OpenCart  PostFinance Checkout payment module that
 
 ## Documentation
 
-* [English](https://plugin-documentation.postfinance-checkout.ch/pfpayments/opencart-2.1/1.0.5/docs/en/documentation.html)
+* [English](https://plugin-documentation.postfinance-checkout.ch/pfpayments/opencart-2.1/1.0.6/docs/en/documentation.html)
 
 ## License
 
-Please see the [license file](https://github.com/pfpayments/opencart-2.1/blob/1.0.5/LICENSE) for more information.
\ No newline at end of file
+Please see the [license file](https://github.com/pfpayments/opencart-2.1/blob/1.0.6/LICENSE) for more information.
\ No newline at end of file
diff --git a/docs/en/documentation.html b/docs/en/documentation.html
index 6b8510b..4a3c6b0 100644
--- a/docs/en/documentation.html
+++ b/docs/en/documentation.html
@@ -21,7 +21,7 @@ <h2>Documentation</h2>				</div>
 		</a>
 	</li>
 	<li>
-		<a href="https://github.com/pfpayments/opencart-2.1/releases/tag/1.0.5/">
+		<a href="https://github.com/pfpayments/opencart-2.1/releases/tag/1.0.6/">
 			Source
 		</a>
 	</li>
@@ -48,7 +48,7 @@ <h1>
 					<div class="olist arabic">
 <ol class="arabic">
 <li>
-<p><a href="https://github.com/pfpayments/opencart-2.1/releases/tag/1.0.5/">Download</a> the extension.</p>
+<p><a href="https://github.com/pfpayments/opencart-2.1/releases/tag/1.0.6/">Download</a> the extension.</p>
 </li>
 <li>
 <p>Extract the files and upload the content of the <code>Upload</code> directory into the root directory of your store using FTP/SSH.</p>
diff --git a/upload/system/library/postfinancecheckout/service/transaction.php b/upload/system/library/postfinancecheckout/service/transaction.php
index f771a1e..9bd2399 100644
--- a/upload/system/library/postfinancecheckout/service/transaction.php
+++ b/upload/system/library/postfinancecheckout/service/transaction.php
@@ -18,15 +18,19 @@ class Transaction extends AbstractService {
 
 	public function getPaymentMethods(array $order_info){
 		$cart_id = \PostFinanceCheckoutVersionHelper::getCurrentCartId($this->registry);
-		if (!$cart_id || !isset(self::$possible_payment_method_cache[$cart_id])) {
+		if (!$cart_id || !array_key_exists($cart_id, self::$possible_payment_method_cache)) {
 			$transaction = $this->update($order_info, false);
-			$payment_methods = $this->getTransactionService()->fetchPossiblePaymentMethods($transaction->getLinkedSpaceId(), $transaction->getId());
-			
-			foreach ($payment_methods as $payment_method) {
-				MethodConfiguration::instance($this->registry)->updateData($payment_method);
+			try{
+				$payment_methods = $this->getTransactionService()->fetchPossiblePaymentMethods($transaction->getLinkedSpaceId(), $transaction->getId());
+				foreach ($payment_methods as $payment_method) {
+					MethodConfiguration::instance($this->registry)->updateData($payment_method);
+				}
+				self::$possible_payment_method_cache[$cart_id] = $payment_methods;
+			}
+			catch(\Exception $e) {
+				self::$possible_payment_method_cache[$cart_id] = array();
+				throw $e;
 			}
-			
-			self::$possible_payment_method_cache[$cart_id] = $payment_methods;
 		}
 		return self::$possible_payment_method_cache[$cart_id];
 	}