Mollie-697

gistfile1.diff

diff --git a/Service/Order/MethodCode.php b/Service/Order/MethodCode.php
index 10b2b0b0..4e9514f5 100644
--- a/Service/Order/MethodCode.php
+++ b/Service/Order/MethodCode.php
@@ -34,7 +34,7 @@ private function paymentLinkMethod(OrderInterface $order): string
             return '';
         }
 
-        if (count($additionalInformation['limited_methods']) !== 1) {
+        if (!is_array($additionalInformation['limited_methods']) || count($additionalInformation['limited_methods']) !== 1) {
             return '';
         }
 
diff --git a/Test/Integration/Service/Order/MethodCodeTest.php b/Test/Integration/Service/Order/MethodCodeTest.php
index be04f8de..42956047 100644
--- a/Test/Integration/Service/Order/MethodCodeTest.php
+++ b/Test/Integration/Service/Order/MethodCodeTest.php
@@ -71,4 +71,20 @@ public function testReturnsPaymentLinkReturnsTheSingleLimitedMethod(): void
 
         $this->assertEquals('ideal', $result);
     }
+
+    public function testReturnsNothingWhenLimitedMethodsIsNull(): void
+    {
+        $order = $this->loadOrderById('100000001');
+        $order->getPayment()->setMethod('mollie_methods_paymentlink');
+        $order->getPayment()->setAdditionalInformation(
+            'limited_methods',
+            null
+        );
+
+        $instance = $this->objectManager->create(MethodCode::class);
+
+        $result = $instance->execute($order);
+
+        $this->assertEquals('', $result);
+    }
 }