Online TRD2D: shift a message from error to debug

algo/detectors/trd/Cluster2D.cxx

@@ -162,7 +162,7 @@ namespace cbm::algo::trd
 
       // check column order for cluster  /// TO DO: we can probably drop this check
       if (last_col >= 0 && colT != last_col + 1) {
-        L_(error) << "TrdModuleRec2D::LoadDigis : digis in cluster not in increasing order !";
+        L_(debug) << "TrdModuleRec2D::LoadDigis : digis in cluster not in increasing order !";
         return false;
       }
       last_col              = colT;