diff --git a/typesystem2/languages/jetbrains.mps.lang.typesystem2/languageModels/structure.mps b/typesystem2/languages/jetbrains.mps.lang.typesystem2/languageModels/structure.mps
index 519779ce..e1ef8942 100644
--- a/typesystem2/languages/jetbrains.mps.lang.typesystem2/languageModels/structure.mps
+++ b/typesystem2/languages/jetbrains.mps.lang.typesystem2/languageModels/structure.mps
@@ -1167,6 +1167,7 @@
       <property role="20lbJX" value="0..n" />
       <ref role="20lvS9" to="5j4j:5lJXKARS0" resolve="TreeForm" />
     </node>
+    <node concept="asaX9" id="428_4iYu28z" role="lGtFl" />
   </node>
   <node concept="1TIwiD" id="2vGNdoJLd0b">
     <property role="EcuMT" value="2876899482279399435" />