diff --git a/src/exception/InternalError.java b/src/exception/InternalError.java
index 9a20633..80949cf 100644
--- a/src/exception/InternalError.java
+++ b/src/exception/InternalError.java
@@ -1,4 +1,4 @@
 package exception;
 public class InternalError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/exception/ProtocolError.java b/src/exception/ProtocolError.java
index d5e4811..a9f6130 100644
--- a/src/exception/ProtocolError.java
+++ b/src/exception/ProtocolError.java
@@ -1,4 +1,4 @@
 package exception;
 public class ProtocolError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/exception/SizeError.java b/src/exception/SizeError.java
index d0cb07d..2108c64 100644
--- a/src/exception/SizeError.java
+++ b/src/exception/SizeError.java
@@ -1,5 +1,5 @@
 package exception;
 /** Used on reception side when size as set in datagram is too big, and we cant store this in a int/long as usual. */
 public class SizeError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/exception/TransmissionError.java b/src/exception/TransmissionError.java
index d95dd4c..042c0ed 100644
--- a/src/exception/TransmissionError.java
+++ b/src/exception/TransmissionError.java
@@ -1,4 +1,4 @@
 package exception;
 public class TransmissionError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/exception/VersionError.java b/src/exception/VersionError.java
index f84c811..400fdcb 100644
--- a/src/exception/VersionError.java
+++ b/src/exception/VersionError.java
@@ -1,4 +1,4 @@
 package exception;
 public class VersionError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/remoteException/EmptyDirectory.java b/src/remoteException/EmptyDirectory.java
index 39146fd..5d4f765 100644
--- a/src/remoteException/EmptyDirectory.java
+++ b/src/remoteException/EmptyDirectory.java
@@ -1,4 +1,4 @@
 package remoteException;
 public class EmptyDirectory extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/remoteException/EmptyFile.java b/src/remoteException/EmptyFile.java
index a05cdd7..deba543 100644
--- a/src/remoteException/EmptyFile.java
+++ b/src/remoteException/EmptyFile.java
@@ -1,4 +1,4 @@
 package remoteException;
 public class EmptyFile extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/remoteException/InternalRemoteError.java b/src/remoteException/InternalRemoteError.java
index 9ca91ea..c3d5c57 100644
--- a/src/remoteException/InternalRemoteError.java
+++ b/src/remoteException/InternalRemoteError.java
@@ -1,4 +1,4 @@
 package remoteException;
 public class InternalRemoteError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/remoteException/NotFound.java b/src/remoteException/NotFound.java
index 40c9507..8f9d27e 100644
--- a/src/remoteException/NotFound.java
+++ b/src/remoteException/NotFound.java
@@ -1,4 +1,4 @@
 package remoteException;
 public class NotFound extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/remoteException/ProtocolRemoteError.java b/src/remoteException/ProtocolRemoteError.java
index 6199f8f..fbc857f 100644
--- a/src/remoteException/ProtocolRemoteError.java
+++ b/src/remoteException/ProtocolRemoteError.java
@@ -1,4 +1,4 @@
 package remoteException;
 public class ProtocolRemoteError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }
diff --git a/src/remoteException/VersionRemoteError.java b/src/remoteException/VersionRemoteError.java
index 4c372c9..8da9c1a 100644
--- a/src/remoteException/VersionRemoteError.java
+++ b/src/remoteException/VersionRemoteError.java
@@ -1,4 +1,4 @@
 package remoteException;
 public class VersionRemoteError extends Exception {
-	private static final long serialVersionUID = 11L;
+	private static final long serialVersionUID = 12L;
 }