diff --git a/doc/guide/user/fr/html/conference/WARNINGS b/doc/guide/user/fr/html/conference/WARNINGS
--- /dev/null
@@ -0,0 +1,6 @@
+No implementation found for style `fontenc'
+No implementation found for style `geometry'
+No implementation found for style `graphicx'
+
+There is no author for this document.
+couldn't convert character inodot into available encodings