adding else statement in case the grid query returns no result

diff --git a/STEER/CDB/AliCDBGrid.cxx b/STEER/CDB/AliCDBGrid.cxx
index 072b53358dc54c8d230c587fc9098580e10783c5..6bd3a40cdc119f6a05f9daca7440a2cc57f49def 100644 (file)
--- a/STEER/CDB/AliCDBGrid.cxx
+++ b/STEER/CDB/AliCDBGrid.cxx
@@ -463,7 +463,10 @@ AliCDBId* AliCDBGrid::GetEntryId(const AliCDBId& queryId) {
                                                validFileIds.AddLast(validFileId.Clone());
                        }
                        delete res;
-               }       
+               }else{
+                   return 0; // this should be only in case of file catalogue glitch
+               }
+
                dataId = GetId(validFileIds, selectedId);
        }