diff --git a/extension/Classes/Core/Helper/JWT.php b/extension/Classes/Core/Helper/JWT.php
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/extension/Classes/Core/Helper/OnString.php b/extension/Classes/Core/Helper/OnString.php
index 4a22778881710a77760cad737a20bc87086a4bdb..87c099be40a5747bcaa64576a117903e7b74ba97 100644
--- a/extension/Classes/Core/Helper/OnString.php
+++ b/extension/Classes/Core/Helper/OnString.php
@@ -811,7 +811,7 @@ class OnString {
             return array();
         }
 
-        // Search biggest element.
+        // Search the biggest element.
         foreach ($arr as $key => $value) {
 
             if (is_array($value)) {
@@ -858,7 +858,7 @@ class OnString {
                         ERROR_MESSAGE_TO_DEVELOPER => "max: $max, current: " . $currentLength . ", new reduced: " . $newLen]), ERROR_MISSING_OPEN_DELIMITER);
                 } else {
                     // Dive deeper to replace the next biggest element.
-                    $arrNew = $self::limitSizeJsonEncode($arrNew, $newLen, $maxValue);
+                    $arrNew = self::limitSizeJsonEncode($arrNew, $newLen, $maxValue);
                 }
             }
         }