Index: trunk/MagicSoft/Mars/mreport/MReportFileRead.cc
===================================================================
--- trunk/MagicSoft/Mars/mreport/MReportFileRead.cc	(revision 3331)
+++ trunk/MagicSoft/Mars/mreport/MReportFileRead.cc	(revision 3568)
@@ -40,4 +40,5 @@
 #include "MReportFileRead.h"
 
+#include <errno.h>
 #include <fstream>
 
@@ -212,7 +213,9 @@
     if (!(*fIn))
     {
-        *fLog << err << "Error: Cannot open file '" << fFileName << "'" << endl;
+        *fLog << err << "Cannot open file " << fFileName << ": ";
+        *fLog << strerror(errno) << endl;
         return kFALSE;
     }
+
     if (TestBit(kHasNoHeader))
         return kTRUE;