Index: /trunk/MagicSoft/Mars/mjobs/MJCut.cc
===================================================================
--- /trunk/MagicSoft/Mars/mjobs/MJCut.cc	(revision 8439)
+++ /trunk/MagicSoft/Mars/mjobs/MJCut.cc	(revision 8440)
@@ -645,6 +645,9 @@
     MRead &readoff = fIsMonteCarlo ? (MRead&)readoffmc : (MRead&)readoffdata;
     const Bool_t setrc = fIsWobble ? set.AddFilesOn(readoff) : set.AddFilesOff(readoff);
-    if (!setrc)
-        return kFALSE;
+    if (!setrc && set.HasOffSequences())
+    {
+        *fLog << err << "MDataSet::AddFiles" << (fIsWobble?"On":"Off") << " failed." << endl;
+        return kFALSE;
+    }
 
     const TString path(Form("%s/", fPathOut.Data()));