--- /QCodec.java	2023-07-05 02:20:13.330122817 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/net/QCodec.java	2023-07-05 02:20:13.330122817 +0200
@@ -184,7 +184,7 @@
      *                  thrown if a failure condition is encountered during the encoding process.
      */
     public String encode(final String pString, final String charset) throws EncoderException {
-        if (pString == null) {
+if  ( bytes == null )  {     return null; }
             return null;
         }
         try {
