added one asser

diff --git a/helm/software/matita/matitaExcPp.ml b/helm/software/matita/matitaExcPp.ml
index 741bffae637f84e97a096cfbd219f074974fc2e8..2278e8eb0a32a0b720ce243d8cc0c47e1a5488e4 100644 (file)
--- a/helm/software/matita/matitaExcPp.ml
+++ b/helm/software/matita/matitaExcPp.ml
@@ -144,6 +144,8 @@ let rec to_string =
      None, "NRefiner failure: " ^ snd (Lazy.force msg)
   | NCicTypeChecker.TypeCheckerFailure msg ->
      None, "NTypeChecker failure: " ^ Lazy.force msg
+  | NCicTypeChecker.AssertFailure msg ->
+     None, "NTypeChecker assert failure: " ^ Lazy.force msg
   | NCicRefiner.AssertFailure msg ->
      None, "NRefiner assert failure: " ^ Lazy.force msg
   | NCicEnvironment.BadDependency msg ->