diff --git a/source/common/src/tdataformat.c b/source/common/src/tdataformat.c
index d96e402e81..7d327e7263 100644
--- a/source/common/src/tdataformat.c
+++ b/source/common/src/tdataformat.c
@@ -2772,6 +2772,7 @@ _exit:
       // TODO: loop to get the number of each type from bit2 map
       break;
     default:
+      ASSERT(0);
       // TODO: loop to get the number of each type from bit1 map
   }
   return 0;