diff --git a/authorizationdb.php b/authorizationdb.php
index afa08db..3ec3a3b 100644
--- a/authorizationdb.php
+++ b/authorizationdb.php
@@ -63,7 +63,7 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
       throw new Exception (_("Not authenticated"), 401);
@@ -73,7 +73,7 @@ class authorizationdb extends authorization
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -137,21 +137,21 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
-      throw new Exception (_("Not authenticated !!"), 401);
+      throw new Exception (_("Not authenticated"), 401);
     if ($this->authiduser !== 0 && $this->authiduser !== $ownerid)
-      throw new Exception (_("Can't create object not owned by myself"), 412);
+      throw new Exception (_("Can't create object not owned by myself"), 406);
     if ($this->authiduser !== 0 && !in_array ($groupid, $this->authgroups))
-      throw new Exception (_("Can't create object with not owned group"), 412);
+      throw new Exception (_("Can't create object with not owned group"), 406);
     try
     {
       $this->treecheckExecute ($object);
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -178,7 +178,7 @@ class authorizationdb extends authorization
     }
     catch (Exception $e)
     {
-     throw new Exception ($e->getMessage(), 401);
+     throw new Exception ($e->getMessage(), 405);
     }
 
     $this->db->create (array ("object"=>$object,
@@ -198,19 +198,19 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
       throw new Exception (_("Not authenticated"), 401);
     if ($object === "/")
-      throw new Exception (_("The root can not be removed"), 412);
+      throw new Exception (_("The root can not be removed"), 406);
     try
     {
       $this->treecheckExecute ($object);
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -226,9 +226,9 @@ class authorizationdb extends authorization
     {
       $rc = $this->db->delete ($object);
       if ($rc > 1)
-        throw new Exception (_("Removing more than one object"), 412);
+        throw new Exception (_("Removing more than one object"), 406);
       if ($rc == 0)
-        throw new Exception (_("No object removed"), 412);
+        throw new Exception (_("No object removed"), 406);
       $rc = $this->db->delete ("$object$this->separator%");
       return TRUE;
     }
@@ -239,14 +239,14 @@ class authorizationdb extends authorization
     }
     catch (Exception $e)
     {
-     throw new Exception ($e->getMessage(), 401);
+     throw new Exception ($e->getMessage(), 405);
     }
 
     $rc = $this->db->delete ($object);
     if ($rc > 1)
-      throw new Exception (_("Removing more than one object"), 412);
+      throw new Exception (_("Removing more than one object"), 406);
     if ($rc == 0)
-      throw new Exception (_("No object removed"), 412);
+      throw new Exception (_("No object removed"), 406);
     $rc = $this->db->delete ("$object$this->separator%");
     return TRUE;
   }
@@ -263,19 +263,19 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
-      throw new Exception (_("Not authenticated !!"), 401);
+      throw new Exception (_("Not authenticated"), 401);
     if ($this->authiduser !== 0)
-      throw new Exception (_("The chown is reserved to root user"), 401);
+      throw new Exception (_("The chown is reserved to root user"), 405);
     try
     {
       $this->treecheckExecute ($object);
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -301,21 +301,21 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
       throw new Exception (_("Not authenticated"), 401);
     if ($this->authiduser !== 0 && !in_array ($groupid, $this->authgroups))
-      throw new Exception (_("The user must be in the wanted group"), 401);
+      throw new Exception (_("The user must be in the wanted group"), 405);
     if (!in_array ("WRITE", $this->validate ($object)))
-      throw new Exception (sprintf (_("%s is write protected"), $object), 401);
+      throw new Exception (sprintf (_("%s is write protected"), $object), 405);
     try
     {
       $this->treecheckExecute ($object);
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -341,19 +341,19 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
       throw new Exception (_("Not authenticated"), 401);
     if (!in_array ("WRITE", $this->validate ($object)))
-      throw new Exception (sprintf (_("%s is write protected"), $object), 401);
+      throw new Exception (sprintf (_("%s is write protected"), $object), 405);
     try
     {
       $this->treecheckExecute ($object);
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -379,7 +379,7 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
       throw new Exception (_("Not authenticated"), 401);
@@ -389,7 +389,7 @@ class authorizationdb extends authorization
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -413,17 +413,17 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
-      throw new Exception (_("Not authenticated !!"), 401);
+      throw new Exception (_("Not authenticated"), 401);
     try
     {
       $this->treecheckExecute ($object);
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -447,17 +447,17 @@ class authorizationdb extends authorization
     if (substr ($object, -1) === "/")
       $object = substr ($object, 0, -1);
     if (substr ($object, 0, 1) !== "/")
-      throw new Exception (_("Object don't start by slash"), 412);
+      throw new Exception (_("Object don't start by slash"), 406);
     $object = preg_replace ("#//+#", "/", $object);
     if ($this->authiduser === "")
-      throw new Exception (_("Not authenticated !!"), 401);
+      throw new Exception (_("Not authenticated"), 401);
     try
     {
       $this->treecheckExecute ($object);
     }
     catch (Exception $e)
     {
-      throw new Exception ($e->getMessage(), 401);
+      throw new Exception ($e->getMessage(), 405);
     }
 
     // All the folder structure is accessible. Check if the object already
@@ -465,7 +465,7 @@ class authorizationdb extends authorization
     $search = $this->db->read (array (array ("object", $object)));
     if (count ($search) === 0)
       throw new Exception (sprintf (_("Object %s doesn't exists"), $object),
-                           400);
+                           404);
     $search = reset ($search);
     return intval ($search["groupid"]);
   }
@@ -539,7 +539,7 @@ class authorizationdb extends authorization
         if (($parentModbits & 0001) === 1)
           continue;
 
-        throw new Exception (sprintf (_("No execute rights on %s"), $p), 401);
+        throw new Exception (sprintf (_("No execute rights on %s"), $p), 405);
       }
     }
     return TRUE;
@@ -569,6 +569,6 @@ class authorizationdb extends authorization
     if (($parentModbits & 0002) === 2)
       return TRUE;
 
-    throw new Exception (sprintf (_("No write rights on %s"), $parent), 401);
+    throw new Exception (sprintf (_("No write rights on %s"), $parent), 405);
   }
 }