diff --git a/sop-java/src/main/java/sop/exception/SOPGPException.java b/sop-java/src/main/java/sop/exception/SOPGPException.java
index 0e71d6b..71c14a7 100644
--- a/sop-java/src/main/java/sop/exception/SOPGPException.java
+++ b/sop-java/src/main/java/sop/exception/SOPGPException.java
@@ -93,6 +93,10 @@ public abstract class SOPGPException extends RuntimeException {
 
         public static final int EXIT_CODE = 19;
 
+        public MissingArg() {
+            
+        }
+
         public MissingArg(String message) {
             super(message);
         }