add missing space to error message

diff --git a/include/deal.II/base/mpi_compute_index_owner_internal.h b/include/deal.II/base/mpi_compute_index_owner_internal.h
index 223e4b93926c13d6aed4f33088cf5fca7bf41aef..dea27428e494f5cf37df7a3c6c81f9755f1b429c 100644 (file)
--- a/include/deal.II/base/mpi_compute_index_owner_internal.h
+++ b/include/deal.II/base/mpi_compute_index_owner_internal.h
@@ -618,7 +618,7 @@ namespace Utilities
           get_requesters()
           {
             Assert(track_index_requests,
-                   ExcMessage("Must enable index range tracking in"
+                   ExcMessage("Must enable index range tracking in "
                               "constructor of ConsensusAlgorithmProcess"));
 
             std::map<unsigned int, dealii::IndexSet> requested_indices;