Fix admin config backend model (#521)

52aa0915 · Asrar Alam · Marcos Garcia · be3cae75 · 52aa0915
Commit 52aa0915 authored Sep 10, 2019 by Asrar Alam Committed by Marcos Garcia Sep 10, 2019
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Showing with 6 additions and 4 deletions

Model/Config/Backend/Installments.php Model/Config/Backend/Installments.php +6 -4

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--- a/Model/Config/Backend/Installments.php
+++ b/Model/Config/Backend/Installments.php
@@ -112,11 +112,13 @@ class Installments extends \Magento\Framework\App\Config\Value
    protected function _afterLoad()
    {
        $value = $this->getValue();
-        $value = $this->serializer->unserialize($value);
-        if (is_array($value)) {
-            $value = $this->encodeArrayFieldValue($value);
-            $this->setValue($value);
+        if (empty($value)) {
+            return $this;
        }
+
+        $value = $this->serializer->unserialize($value);
+        $value = $this->encodeArrayFieldValue($value);
+        $this->setValue($value);
        return $this;
    }