Add a protection againts runs with missing DCS information in the OCDB

diff --git a/TRD/AliTRDdigitizer.cxx b/TRD/AliTRDdigitizer.cxx
index cb1929574d0428dc41fb3abe2a8b954e181f5768..5979125772fed1afcdd78956d705bbcbd4924740 100644 (file)
--- a/TRD/AliTRDdigitizer.cxx
+++ b/TRD/AliTRDdigitizer.cxx
@@ -625,6 +625,9 @@ Bool_t AliTRDdigitizer::MakeDigits()
   }
   else {
     // Save the values for the raw data headers
+    if (calibration->GetNumberOfTimeBinsDCS() == -1) {
+      AliFatal("No useful DCS information available for this run!");
+    }
     fDigitsManager->GetDigitsParam()->SetNTimeBinsAll(calibration->GetNumberOfTimeBinsDCS());
   }