Index: trunk/MagicSoft/Mars/mfileio/MReadTree.cc
===================================================================
--- trunk/MagicSoft/Mars/mfileio/MReadTree.cc	(revision 2091)
+++ trunk/MagicSoft/Mars/mfileio/MReadTree.cc	(revision 2100)
@@ -240,4 +240,6 @@
         SetBit(kChainWasChanged);
 
+    *fLog << warn << "WARNING: No files '" << fname << "' added to " << GetDescriptor() << endl;
+
     return numfiles;
 }