git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@11875 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/compute_reduce_region.cpp

@@ -58,6 +58,7 @@ double ComputeReduceRegion::compute_one(int m, int flag)
   int i;
 
   Region *region = domain->regions[iregion];
+  region->prematch();
 
   // invoke the appropriate attribute,compute,fix,variable
   // compute scalar quantity by summing over atom scalars
@@ -156,7 +157,8 @@ double ComputeReduceRegion::compute_one(int m, int flag)
 
   } else if (which[m] == FIX) {
     if (update->ntimestep % modify->fix[n]->peratom_freq)
-      error->all(FLERR,"Fix used in compute reduce not computed at compatible time");
+      error->all(FLERR,"Fix used in compute reduce not computed at "
+                 "compatible time");
     Fix *fix = modify->fix[n];
 
     if (flavor[m] == PERATOM) {