Add a warning for missing transformation matrix

diff --git a/TRD/AliTRDtransform.cxx b/TRD/AliTRDtransform.cxx
index 7aa6612ae1fe8c3412bb1f845803faf936cd75c0..3715d5cc69e1ca26f7f329ab12753232bd036a22 100644 (file)
--- a/TRD/AliTRDtransform.cxx
+++ b/TRD/AliTRDtransform.cxx
@@ -90,7 +90,9 @@ AliTRDtransform::AliTRDtransform(Int_t det)
   //
 
   fGeo               = new AliTRDgeometry();
-  fGeo->CreateClusterMatrixArray();
+  if (!fGeo->CreateClusterMatrixArray()) {
+    AliError("Could not get transformation matrices\n");
+  }
 
   fParam             = AliTRDCommonParam::Instance();
   if (!fParam) {