--- /Base64.java	2023-07-05 03:12:05.970027650 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/binary/Base64.java	2023-07-05 03:12:05.974027650 +0200
@@ -337,7 +337,7 @@
                     System.arraycopy(CHUNK_SEPARATOR, 0, encodedData, encodedIndex, CHUNK_SEPARATOR.length);
                     chunksSoFar++;
                     nextSeparatorIndex = (CHUNK_SIZE * (chunksSoFar + 1)) + (chunksSoFar * CHUNK_SEPARATOR.length);
-                    encodedIndex += CHUNK_SEPARATOR.length;
+encodedIndex + = null ;
                 }
             }
         }
