diff --git a/dokuWikiDumper/exceptions.py b/dokuWikiDumper/exceptions.py
index ede6c85..aff6727 100644
--- a/dokuWikiDumper/exceptions.py
+++ b/dokuWikiDumper/exceptions.py
@@ -59,9 +59,28 @@ def __init__(self, title):
     def __str__(self):
         return "Action: edit: textarea not found for [[%s]]" % self.title
 
+
 class ActionExportHtmlDisabled(Exception):
     def __init__(self, title):
         self.title = title
 
     def __str__(self):
-        return "Action: export_xhtml is disabled for [[%s]]" % self.title
\ No newline at end of file
+        return "Action: export_xhtml is disabled for [[%s]]" % self.title
+
+
+class ActionRevisionsDisabled(Exception):
+    def __init__(self, title):
+        self.title = title
+
+    def __str__(self):
+        return "Action: revisions is disabled for [[%s]]" % self.title
+
+
+class RevisionListNotFound(Exception):
+    def __init__(self, title):
+        self.title = title
+
+    def __str__(self):
+        return "Revision list not found for [[%s]]" % self.title
+
+